Angela is analyzing the fracture pattern of a window she know it’s at the crack stop when they intersect knowing this what can she determine about the window

Answers

Answer 1

Answer:

The order in which the fractures occurred

I took the test


Related Questions

In which situation is the object experiencing unbalanced forces?
Question 1 options:

A. A box resting on a horizontal floor

B. A car slowing as it reaches a stop light

C. A car with its cruise control set to 50 mph

D. A rocket sitting on the launch pad

Answers

B. A car slowing as it reaches a stop light

Explanation:

According to Newton's second law, the net force exerted on an object is equal to the product between its mass and its acceleration:

[tex]F=ma[/tex]

where

F is the net force

m is the mass of the object

a is its acceleration

This means that when an object is experiencing unbalanced forces ([tex]F\neq 0[/tex]), it must have a non-zero acceleration. Therefore, let's analyze the different options:

A. A box resting on a horizontal floor  --> FALSE. Here the acceleration is zero, so no unbalanced forces.

B. A car slowing as it reaches a stop light  --> TRUE. Since the car is slowing down, its velocity is changing, so the acceleration is non-zero and there are unbalanced forces.

C. A car with its cruise control set to 50 mph  --> FALSE. Here the velocity is constant, so no acceleration and no unbalanced forces.

D. A rocket sitting on the launch pad --> FALSE. Here the rocket is stationary, so no acceleration, and no unbalanced forces.

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An object experiences unbalanced forces when the resultant force on it is non-zero. A car slowing as it reaches a stop light experiences unbalanced forces due to the brakes exerting a force, causing it to decelerate. Hence, the correct answer is B. A car slowing as it reaches a stop light.

In the question, we are asked to determine in which situation an object is experiencing unbalanced forces. An object experiences unbalanced forces when the resultant force acting on it is non-zero, leading to a change in its motion. If we analyze the options given:

A box resting on a horizontal floor is not experiencing unbalanced forces, because it is at rest and there are no net forces acting to change its state of motion (assuming no frictional losses).A car slowing as it reaches a stop light is experiencing unbalanced forces because the brakes are exerting a force opposite to the direction of motion, causing the car to decelerate.A car with its cruise control set to 50 mph is travelling at a constant velocity, indicating that the forces are balanced.A rocket sitting on the launch pad is not experiencing unbalanced forces if it is stationary and not in the process of takeoff.

Therefore, the correct answer is B. A car slowing as it reaches a stop light, because this is when it is experiencing a net force that is causing a change in its motion.

Nichrome has a --------------melting piont​

Answers

Answer:

Nichrome has __High__melting piont​

Hope this helps

Answer:

high melting point

Nichrome is consistently silvery-grey in colour, is corrosion-resistant, and has a high melting point of about 1,400 °C (2,550 °F).

Explanation:

Allison needs to graph the yearly average snowfall in Alaska. She should use a:


A)bar graph
B)line graph

Answers

answer:

a. bar graph

:D

Answer: Line graph

Explanation:

Allison needs to graph the yearly average snowfall in Alaska. She should use a:

pie chart

pictograph

bar graph

line graph

d) A wire carrying a current of 10A and 2m in length is placed in a field of flux density

0. 15T. Calculate the force on the wire if it is placed:

i) At 300

to the field

ii) Along the field (4 mks)​

Answers

1) The force on the wire is 1.5 N

2) The force on the wire is zero

Explanation:

1)

The force experienced by a current-carrying wire in a magnetic field is given by

[tex]F=ILB sin \theta[/tex]

where

I is the current in the wire

L is the length of the wire

B is the magnetic flux density

[tex]\theta[/tex] is the angle between the direction of the wire and of the field

In this part of the problem we have

I = 10 A

L = 2 m

B = 0.15 T

[tex]\theta=30^{\circ}[/tex]

Substituting, we find

[tex]F=(10)(2)(0.15)(sin 30^{\circ})=1.5 N[/tex]

2)

As before, the force experienced by the wire is

[tex]F=ILB sin \theta[/tex]

where

I is the current in the wire

L is the length of the wire

B is the magnetic flux density

[tex]\theta[/tex] is the angle between the direction of the wire and of the field

In this case, however, the angle between the wire and the field is

[tex]\theta=0^{\circ}[/tex]

And therefore

[tex]sin 0^{\circ} = 0[/tex]

which means that the wire does not experience any force. In fact, the force experienced by the wire is zero when the wire is parallel to the field (such as in this case) and maximum when the wire is perpendicular to the field.

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Which statements apply to theories? Check all that apply.
A theory is a factual statement.
B theory is well-tested and widely accepted.
C theory is an explanation.
D theory cannot be revised or replaced.
E theory can help predict future events.

Answers

the answer is b,c, and e

Answer:

BCE

Explanation:

How much tension must a rope withstand if it is used to accelerate a 1700-kg car
horizontally at 0.50 m/s^2 ? Ignore friction.
What tension would be required to accelerate
it vertically at the same rate?​

Answers

i don’t know it i just need points

Which statement is false?
O Preparations for future situations are helpful to avoid pressured situations.
Once you reach adulthood, you will not experience peer pressure.
Peer pressure is often thought of in negative terms even though it can be positive.

Answers

Answer:

Once you reach adulthood, you will not experience peer pressure.

Explanation:

We tend to believe that self-control comes from within, but many of our attitudes depend as much on friends and family as on ourselves. That's because at any stage of our life (even the adult stage) our friends and our family have the power to influence us, sometimes that influence is good and sometimes bad, it's up to us to reason about them.

The people around us have the power to make us fat, consume more alcohol, worry less about the environment and expose ourselves to the sun without proper protection, among many other things.

It is not simply about peer pressure, where you deliberately act in a certain way to suit the group. It is, in fact, largely an unconscious attitude. Without your awareness, your brain is constantly picking up cues from people around you to dictate your behavior. And the consequences can be serious.

Answer:

its B :)

Explanation:

what is the net force if you push a cart to the right with 5N of force, and a friend pushes the cart to the left with 5N of force?..​

Answers

Answer: 0 newtons

Explanation: If you push a cart to the right with 5 newtons of force to the right and a friend pushes the cart 5 newtons to the left, there will be no motion.

To understand this further, take a look at the image I provided. I provided two arrows one of the left and on on the right. If two people are pushing on the cart with the same amount of force, the net force will be 0 so it will be a balanced force. When we have a balanced force, there's no motion.

What is used to measure heat?

change in temperature
constant temperature
constant specific heat
change in specific heat

Answers

Answer:

change in temperature

Answer:

Change in temperature

Explanation:

did this on edge yesterday and that was the answer

A 1500kg car, moving at a speed of 20m/s comes to a halt. How much work was done by the brakes?

Answers

The work done by the brakes is [tex]-3.0\cdot 10^5 J[/tex]

Explanation:

According to the work-energy theorem, the work done by the brakes on the car is equal to the change in kinetic energy of the car. Therefore:

[tex]W=K_f - K_i = \frac{1}{2}mv^2-\frac{1}{2}mu^2[/tex]

where

W is the work done

m is the mass of the car

v is the final speed

u is the initial speed

For the car in this problem, we have:

m = 1500 kg

u = 20 m/s

v = 0 (the car comes to a halt)

Substituting, we find the work done:

[tex]W=0-\frac{1}{2}(1500)(20)^2=-3.0\cdot 10^5 J[/tex]

And the work is negative because the brakes apply a force in the opposite direction to the motion of the car.

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Which of these is a landform created due to erosion by glaciers? Delta Horn Sandbars Spit

Answers

Answer:

The answer is option B, horn.

Explanation:

The landform horn was formed because when glaciers erode down to form a sharp peak which is called a horn. All of the other options are false because none of those land forms are formed because of the erosion of glaciers

Answer:

i think a delta

Explanation:

I might be wrong but I think it leaves behind a delta.

how does mass speed and gravity affect potential and kinetic energy

Answers

Answer:

The formula for potential energy is, P.E = mgh joules

The formula for kinetic energy is K.E = ½  mv² joules

Explanation:

The total mechanical energy of the system is the sum of the K.E and the P.EThe potential energy of the system is associated with the position of the object from the ground.The formula for potential energy is,

                                      P.E = mgh joules

The kinetic energy of the object is associated with the velocity of the object.The formula for kinetic energy is,

                                      K.E = ½  mv² joules

From the above equation, it is clear that the P.E is dependent on the mass and acceleration due to gravity. The P.E is the product of mass, acceleration due to gravity and height of the object from the ground.Whereas the K.E is dependent on the mass and the velocity of the object. The kinetic energy does not depend on the acceleration due to gravity.

What distance will a car traveling 65km/hr travel in 3 hours

Answers

Answer:

it will cover 195km in 3 hours

You measure the voltage difference of a circuit to be 5 V and the resistance to be 1,000 ohms.
What is the current in the circuit?

Answers

Answer:

The current in the circuit will be [tex]5\times 10^{-3}\ Ampere[/tex].

Explanation:

Given:

Voltage difference = V = 5 V

Resistance              = R = 1000 ohms

To Find:

Current, I = ?

Solution:

Ohm's Law:

Ohm's law states that the current through a conductor between two points is directly proportional to the voltage across the two points.

i.e  I ∝ V

∴ V = I × R

Where, I = current

           V = voltage

           R = resistance

Substituting the values of V and R we get

∴ 5 = I × 1000

[tex]I = \frac{5}{1000} \\I=0.005\ Ampere\\I=5\times 10^{-3}\ Ampere[/tex]

Therefore, the current in the circuit will be [tex]5\times 10^{-3}\ Ampere[/tex].

Final answer:

The current in the circuit can be found using Ohm's Law (I=V/R). The given values for voltage and resistance result in a current of 5 milliamperes.

Explanation:

The subject matter in the question falls under the field of Physics, particularly Electricity. The problem is asking for the current in a circuit, based on given values for voltage and resistance. One can solve this by employing Ohm's Law, which describes the relationship between voltage (V), resistance (R), and current (I). Ohm's Law is represented by the formula I = V/R.

Substituting the given values into the formula, the current I is calculated as 5V / 1000Ω, which equals 0.005 Amperes, or 5 Milliamperes (mA). Thus, the current flowing in the circuit is 5 mA.

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What is Snell law of refraction ​

Answers

Answer:

Snell's law tells us the degree of refraction and relation between the angle of incidence, the angle of refraction and refractive indices of given pair of media. We know that light experiences the refraction or bending when it travels from one medium to another medium. Snell's law predicts the degree of the bend.

Explanation:

Final answer:

Snell's law expresses the relationship between the incidence and refraction angles and the indices of refraction of two media, represented by the equation n₁ sin θ₁ = n₂ sin θ₂.

Explanation:

Snell's law describes the relationship between angles and indices of refraction when light passes from one transparent medium to another.

It is an essential concept in the study of optics and can be mathematically expressed as n₁ sin θ₁ = n₂ sin θ₂, where n₁ and n₂ are the refractive indices of the first and second medium, respectively, and θ₁ and θ₂ are the angles of incidence and refraction.

This law is named after the Dutch mathematician Willebrord Snell who described it in 1621, but it was also discovered by the Arabian physicist Ibn Sahl in the 10th century.

Through thorough experiments, it became evident that light rays change direction due to the differing speeds of light in various media, a concept Snell himself was not aware of but was able to confirm through the refractive indices.

if you travel for three hours of a speed of 30 km/h, how far will you go?

Answers

Answer:

90km

Explanation:

every hour you travel 30km and you are traveling 3 hours 30×3

If the airman had a mass of 80 kg, find the magnitude of the air drag acting on him when he reached terminal velocity of 54 m/s

Answers

The magnitude of the air drag is 784 N

Explanation:

An object falling down reaches the terminal velocity when the magnitude of the air drag acting on it becomes equal to the weight of the object. Mathematically, this condition can be written as:

[tex]F_D = mg[/tex]

where

[tex]F_D[/tex] is the magnitude of the air drag

m is the mass of the object

g is the acceleration of gravity

In this problem, we have

m = 80 kg is the mass of the airman

[tex]g=9.8 m/s^2[/tex] is the acceleration of gravity

Substituting into the formula, we find:

[tex]F_D = (80)(9.8)=784 N[/tex]

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Need help with 3 and 4

Answers

3) The boulder travelled for a distance of 10 m

4) The work done on the car is zero

Explanation:

3)

The work done by a force on an object is given by:

[tex]W=Fd cos \theta[/tex]

where

F is the magnitude of the force

d is the displacement

[tex]\theta[/tex] is the angle between the direction of the force and of the displacement

In this problem we have:

F = 24 N

W = 240 J

[tex]\theta=0^{\circ}[/tex], assuming that the force is applied in the same  direction as the displacement

Therefore, we can find d, the displacement of the boulder:

[tex]d=\frac{W}{F cos \theta}=\frac{240}{(24)(cos 0)}=10 m[/tex]

4)

As in the previous exercise, the work done is

The work done by a force on an object is given by:

[tex]W=Fd cos \theta[/tex]

In this problem, we have:

F = 9000 N is the force applied

d = 0 is the displacement, since the car has not moved

Therefore, the work done on the car is

[tex]W=(9000)(0)(cos 0)=0[/tex]

So, no work is done on the car.

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a jet has a mass of 40000 kilograms the thrush pushing force of each of the four engines is 20000 Newtons what is the Jets acceleration when taking off​

Answers

Acceleration = force / mass

Most of the Earth's volume is contained in the
A. mantle
B.
crust
C.
inner core
D.
outer core

Answers

Most of the Earth's volume is contained in the mantle, a rocky layer 2,970 kilometres (1,845 miles) thick, sandwiched between the planet's core and crust.

Most of the Earth's volume is contained in the "mantle". The correct answer would be option (A).

What is a mantle?

The mantle is a layer of semi-solid rock that lies between the Earth's thin crust and its liquid outer core. The mantle is approximately 2,900 kilometers (1,800 miles) thick and makes up about 84% of the Earth's total volume.

The crust, mantle, and core are the three coatings of the Earth. The crust is made up of minerals and solid rocks. The mantle lies under the crust and is largely made up of solid rocks and minerals, but it is punctured by pliable patches of semi-solid magma.

It is composed primarily of silicate rocks and is considered to be the source of the Earth's heat and most of its volcanic activity.

The mantle also plays a key role in plate tectonics, which is the theory that explains the movement of the Earth's continents and ocean floor.

Thus, the correct answer would be option (A) mantle.

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A rock is dropped from a cliff.

What will eventually happen to the rock's motion?
A. Gravity will cause the rock to slow down before it reaches Earth.
B. Air resistance will cause the rock to accelerate as it falls.
C. The rock will continue falling until Earth exerts a contact force on the rock.
D. Friction will cause the rock to continue in its state of motion.

Answers

Answer:

C

Explanation:

A person runs 5 km North and then turns west and travels for 7 km then turn south for 2 km it takes a person 4 hours to make the journey what is the persons distance, speed, displacement and velocity

Answers

1) Distance: 14 km

2) Speed: 3.5 km/h

3) Displacement: 7.6 km at [tex]23.2^{\circ}[/tex] north of west

4) Velocity: 1.9 km/h at [tex]23.2^{\circ}[/tex] north of west

Explanation:

1)

Distance is a scalar quantity, and it corresponds to the total length of the path covered by an object during its motion, regardless of its direction.

Here we have the following motion:

[tex]d_{y1}=5 km[/tex] North

[tex]d_x = 7 km[/tex] west

[tex]d_{y2}=2 km[/tex] south

So, the distance covered is:

[tex]d=d_x + d_y = 5 + 7 +2 = 14 km[/tex]

And since it is a scalar, distance has no direction.

2)

Speed is a scalar quantity telling "how fast" an object is moving. It is calculated as:

[tex]speed=\frac{d}{t}[/tex]

where:

d is the distance

t is the time taken

In this problem, we have

d = 14 km (distance)

t = 4 h (time taken)

Substituting,

[tex]speed=\frac{14 km}{4 h}=3.5 km/h[/tex]

And since it is a scalar, it has no direction.

3)

Displacement is a vector quantity connecting the initial position to the final position of motion. The magnitude is the short distance in a straight line between the initial and final position of motion.

Here we have the following motions:

[tex]d_{y1}=5 km[/tex] North

[tex]d_x = 7 km[/tex] west

[tex]d_{y2}=2 km[/tex] south

So the net displacement in the north-south direction is

[tex]d_y = 5 - 2 = 3 km[/tex] North

[tex]d_x, d_y[/tex] are at right angle, so they form the sides of a right triangle, of which the hypothenuse corresponds to the displacement. Therefore, we can find the magnitude of the displacement by using Pythagorean's theorem:

[tex]d=\sqrt{d_x^2+d_y^2}=\sqrt{7^2+3^2}=7.6 km[/tex]

And the direction is given by

[tex]\theta=tan^{-1}(\frac{d_y}{d_x})=tan^{-1}(\frac{3}{7})=23.2^{\circ}[/tex] north of west.

4)

Velocity is a vector quantity, given by:

[tex]velocity=\frac{d}{t}[/tex]

where

d is the displacement

t is the time taken

In this problem, we have

d = 7.6 km (displacement)

t = 4 h (time taken)

So, the velocity is

[tex]velocity=\frac{7.6 km}{4h}=1.9 km/h[/tex]

And being a vector, velocity has also a direction, which is the same of the displacement: so, [tex]23.2^{\circ}[/tex] north of west.

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if you are traveling at 75 km/h how long will it take to travel 32 km?

Answers

The time taken is approximately 26 minutes

Explanation:

The motion of the body in this problem is a uniform motion (= at constant velocity), therefore we can use the following equation:

[tex]v=\frac{d}{t}[/tex]

where

v is the speed

d is the distance covered

t is the time taken

In this problem, we have

v = 75 km/h is the speed

d = 32 km is the distance to be covered

Solving for t, we find the time needed:

[tex]t=\frac{d}{v}=\frac{32}{75}=0.43 h[/tex]

Converting into minutes,

[tex]t=0.43 h \cdot 60 = 25.8 min \sim 26 min[/tex]

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2057 Q.No. 9 a A typical car weighs about 1200 N. If the
coefficient of rolling friction is ur = 0.015. What horizontal
force is needed to make the car move with constant speed of
72 km/h on a level road? Also calculate the power developed
by the engine to maintain this speed.
Ans. 18 N, 360 W

Answers

Answer:

18N & 360W

Explanation:

Here,

Velocity of car (v) = 72 ∗ 1000 / 60∗60 = 20m/s

weight of car = 1200N

We have,

μr = Fs / R

Fs = μr ∗ R = 0.015 ∗ 1200 = 18N

Power developed by the engine = 18 ∗ 20 =360W

Hope this helps!!!

Which of the following properties did Rutherford use in his experiment?

A. the negative charge of the alpha particles and the random distribution of protons
B. the negative charge of the alpha particles and the positive charge of the gold foil
C. the positive charge of the alpha particles and the negative charge of the electrons
D. the positive charge of the electrons in a uniform negative charge

Answers

Answer:

(C) The positive charge of the alpha particles and the negative charge of the electrons  are the properties Rutherford used in his experiment

Explanation:

In his scattering experiment, scientist Ernest Rutherford used the property of positively charged alpha particles and negatively charge electrons. He performed this experiment by passing some of the alpha particles through a gold foil. The result was that the some alpha particles scattered while some passed through the gold foil without collision.

He concluded that the alpha particles are centrally positively charged and needed a large amount repelling force. This experiment of Rutherford is also known as Rutherford model of atom. This experiment helped him in doing so many other discoveries.

A roller coaster engineer is trying to design a new coaster to build at the theme park. The cars, when loaded with people, is expected to have a mass of 8000. He wants his roller coaster cars to be going 10 m/s when it reaches the bottom. Assuming that friction is negligible, how high up should the roller coaster start?

_________Number ___M___Units
Then Answer
Well, it turns out that friction is not negligible, the Engineer figured out that the car is going to lose 32000 Joules energy as it goes down the track. this means that he has to start up even higher. what is the actual starting height after taking into account the energy loss from friction?

__________Number _____M____Units

Thank you SOO much :D

Answers

1) The initial height of the roller coaster must be 5.1 m

2) The height of the roller coeaster must be 5.5 m

Explanation:

1)

We can solve this problem by using the law of conservation of energy.

In fact, in absence of frictional force, the total mechanical energy must be conserved, so we can write:

[tex]KE+PE = KE'+PE'[/tex]

where

KE = 0 is the initial kinetic energy, at the top (the car starts from rest, so it has zero speed and so zero kinetic energy)

PE = mgh is the initial potential energy, where

m = 8000 kg is the mass of the car

[tex]g=9.8 m/s^2[/tex] is the acceleration of gravity

h is the initial height

[tex]KE'=\frac{1}{2}mv'^2[/tex] is the kinetic energy of the car at the bottom, where

v' = 10 m/s is the speed of the car at the bottom

PE' = 0 is the potential energy at the bottom (where h = 0)

Re-writing the equation with all the values and solving for h, we find the initial height of the track:

[tex]h=\frac{v^2}{2g}=\frac{10^2}{2(9.8)}=5.1 m[/tex]

2)

In this case, we also have to take into account the energy lost due to friction. So the equation of conservation of energy becomes

[tex]KE+PE = KE'+PE'+W[/tex]

where

W = 32,000 J is the work done by friction

Re-arranging the equation and solving again for h, we find:

[tex]mgh = \frac{1}{2}mv'^2 + W\\h=\frac{v^2}{2g}+\frac{W}{mg}=5.1+\frac{32,000}{(8000)(9.8)}=5.5 m[/tex]

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Hey scooters dragging of 520 kg walk-through forest at a constant speed of 3.5 m/s. If the scooter is applying a force of 1850 N what is the coefficient of friction between a walk in the ground

Answers

The coefficient of friction is 0.363

Explanation:

There are two forces acting on the scooter in the horizontal direction:

- The applied force, F = 1850 N, forward

- The frictional force, [tex]F_f[/tex], backward

Since the scooter is moving at constant speed, the acceleration is zero, so the net force acting on the scooter must be zero. Therefore we can write:

[tex]F-F_f = 0\\F_f = F = 1850 N[/tex]

The frictional force can be written as

[tex]F_f = \mu R[/tex] (1)

where

[tex]\mu[/tex] is the coefficient of friction

R is the normal reaction of the ground on the scooter

For a flat horizontal surface, there is equilibrium along the vertical direction, so the normal reaction is equal to the weight:

[tex]R = W = mg[/tex]

where

m = 520 kg is the mass

[tex]g=9.8 m/s^2[/tex] is the acceleration of gravity

Substituting into (1),

[tex]F_f = \mu mg = 1850 N[/tex]

and solving for [tex]\mu[/tex],

[tex]\mu=\frac{F_f}{mg}=\frac{1850}{(520)(9.8)}=0.363[/tex]

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Can someone explain the gas laws?

* ex...what happens to pressure if volume and temp. increase* ​

Answers

Explanation:

Use the Ideal Gas Law:

PV = nRT

where P is absolute pressure,

V is volume,

n is number of moles,

R is the universal gas constant,

and T is absolute temperature.

First, identify which variables in the problem are constant (note that R is always a constant).

Next, solve for the constants and use that equation to write a proportion.

Finally, plug in the given values and solve for the unknown variable.

For example, if n and R are the constants:

nR = PV/T

Therefore:

P₁V₁/T₁ = P₂V₂/T₂

3. Consider a locomotive and the rest of a freight train to be a single object. Suppose the locomotive is pulling the train up a hill. Describe the action and reaction forces that cause the locomotive to move up the hill, such as the reaction force and gravity.

This question has been posted before put the answers were not correct.

Answers

Answer:

Action - Pulling up the train.

Reaction - Friction on the locomotive

Explanation:

Locomotive is pulling the train upwards ,

Which is the action force applied by the locomotive,

As a reaction locomotive will be pulled by the train which is the reaction of pulling

Now, considering it as a action on locomotive , friction force will act on it as a reaction upwards which will result to move it upwards.

For train action is pulling up by locomotive and reaction will be friction acting on it downwards.

Increasing which two things would increase gravitational potential energy?

Answers

Answer:

Mass and height

Explanation:

Gravitational potential energy is energy an object possesses because of its position in a gravitational field. The most common use of gravitational potential energy is for an object near the surface of the Earth where the gravitational acceleration can be assumed to be constant at about [tex]9.8 m/s2.[/tex]

Which is represented as;

[tex]PE_g=mgh[/tex]

[tex]PE_g[/tex] stands for gravitational potantial energy,

m stands for mass of object,

g is the gravitational constant and

h is the height.

Here we see that mass of object and height is directly proportional to the gravitational potential energy.

That means increasing in mass and height will result in increasing gravitational potential energy.

Other Questions
A news article discussing the evolution of domestic dogs from wolves included this statement: "On its way from pack-hunting carnivore to fireside companion, dogs learned to love or at least live on wheat, rice, barley, corn, and potatoes." What is a more scientifically accurate way to state what happened with dogs? The natural tendence of an object to resist change in its state of motion is:frictionforceinertiagravity The standard cell potential (Ecell) for the voltaic cell based on the reaction below is ________ V. Sn2+ (aq) + 2Fe3+ (aq) 2Fe2+ (aq) + Sn4+ (aq) The standard cell potential (Ecell) for the voltaic cell based on the reaction below is ________ V. Sn2+ (aq) + 2Fe3+ (aq) 2Fe2+ (aq) + Sn4+ (aq) +1.39 +1.21 +0.46 -0.46 +0.617 If you made a voltaic cell out of this reaction, what half-reaction would be occurring at the cathode, and what half-reaction would be occurring at the anode? If you made a voltaic cell out of this reaction, what half-reaction would be occurring at the cathode, and what half-reaction would be occurring at the anode? A(aq)+1eA(aq) at the cathode and B(aq)B+(aq)+1e at the anode. A(aq)+1eA(aq) at the anode and B(aq)B+(aq)+1e at the cathode There is a total of 2,512 people attending the fun fair. 5/8 of sttemdees are students and 1/4 of attendees are parents. the rest of the attendees are people living ioin the neigbourhood. How mnay o fthe attendees are people living in the neighbouhood? What is the correct way to feed a resident that is unable to feed themself? A. Talk quietly to the resident about their day. B. Sit silently and they will let you know when they are ready for another bite. C. The cooler the food, the better, you do not want to burn them. D. You will never need gloves for feeding someone. what are the key characteristics of each of brazils four main regions Which expression has a value of 35 when p = 7?49/p5p45-p25+ p Al works in the warehouse for his company and receives $12.75/hour. He occasionally works in the Quality Assurance (QA) department as a receiving clerk and earns a 15% differential for hours worked there. During a two-week pay period, he worked 72 hours in the warehouse and 12 hours in the QA department. He worked all overtime hours in the warehouse. Standard workweek has 40 hours. What is his gross pay for the pay period? A) $1,071.00B) $1,096.50C) $1,042.95D) $1,119.45 Garnet Companys most popular product has a unit variable cost of $40 and a unit sales price of $70.40. Fixed manufacturing costs are $192,000 when the company produces and sells 10,000 units. Garnet has been approached with a one-time opportunity to sell 1,000 more units for $56 each. Because the customer is a foreign wholesaler, these sales will not impact present sales. If Garnet has sufficient capacity, how much will net income change as a result of the special order?A : $3,200 decreaseB : $56,000 increaseC : $16,000 increaseD : $14,400 decrease students at westbrook middle school hold green team meetings to plan ways to help protect the environment this week there are 144 at the meeting which is 90% of the total group Chelsea believes that even though she works long hours and produces high-quality work, her boss will never give her a promotion. This is an example of a(n) ___________.A. arousalB. expectancyC. incentiveD. attribution In the 1950s, television fathers were presented as 9-to-5 workers who came home, poured a drink, and waited for their wives to serve them dinner. Today, a television father might be one who stays at home with the children while his wife heads out the door to work. Viewers who watch these representations accept these different ideas of fathers. What explains this acceptance? What is the name of a 21 sided polygon? How does Buddy feel about going to Harlem? What are 2 things he likes and 2 things he dislikes about going toHarlem? In the latest Indian Jones film, Indy is supposed to throw a grenade from his car, which is going 81.0 km/h , to his enemy's car, which is going 109 km/h . The enemy's car is 13.4 m in front of the Indy's when he lets go of the grenade.A. If Indy throws the grenade so its initial velocity relative to him is at an angle of 45 above the horizontal, what should the magnitude of the initial velocity be? The cars are both traveling in the same direction on a level road. You can ignore air resistance.B. Find the magnitude of the velocity relative to the earth. If Carrie and Cory add on 18% tip to the bill after tax what does their lunch cost in total Background: Based on the National Center of Health Statistics, the proportion of babies born at low birth weight (below 2,500 grams) in the United States is roughly .078, or 7.8% (based on all the births in the United States in the year 2002). A study was done in order to check whether pregnant women exposed to second hand smoke increases the risk of low birth weight. In other words, the researchers wanted to check whether the proportion of babies born at low birth weight among women who were exposed to second hand smoke during their pregnancy is higher than the proportion in the general population. The researchers followed a sample of 400 women who had been exposed regularly to second hand smoke during their pregnancy and recorded the birth weight of the newborns. Based on the data, the p-value was found to be .119.1.Based on the p-value, what is your conclusion (use .05 significance level)? Assume that an array named salarySteps whose elements are of type int and that has exactly five elements has already been declared.Write a single statement to assign the value 30000 to the first element of this array A recipe for ice cream calls for 1.656 liters of milk.How many millimeters are in the recipe?