Answer: Geothermal Energy
Explanation:
Which is used all over the world for cooking and heating things which was from the internal heat from the earth from the earth's crust!
An astronaut has a weight of 2000 kg elephant
Answer: The answer is 19,600 newtons.
Explanation:
An astronaut's weight varies based on the gravitational force of the celestial body, while their mass remains constant irrespective of location.
The typo regarding the astronaut's weight being equivalent to a 2000 kg elephant can be overlooked, and we can focus on the factual information about an astronaut's weight and mass. An astronaut's weight is the force with which gravity pulls on an object, and it is dependent on the gravitational pull of the celestial body where the measurement is being taken. For instance, the astronaut's weight on Earth is around 1200 N (newtons), but it drops significantly to about 200 N when on the Moon due to the Moon's weaker gravitational force, which is about 1/6th that of Earth's.
Moreover, an astronaut's mass remains constant regardless of location. This means that whether an astronaut is aboard a spaceship repairing it with a 10.0 kg wrench, standing on the edge of a space platform, or traveling to different planets, their mass will always be the same. Mass is a measure of the amount of matter in an object, and unlike weight, mass is not affected by gravity. Therefore, while the astronaut's mass is 80 kg on Earth, it will still be 80 kg on the Moon, Mars, or in the vacuum of space.
Mercury, Venus, and Earth are the three planets closest to the Sun. The force of gravity on the surface of each planet is different. Which of the following places these three planets in order from greatest surface gravity to least?
A.
Earth, Mercury, Venus
B.
Venus, Earth, Mercury
C.
Mercury, Venus, Earth
D.
Earth, Venus, Mercury
Earths surface gravity: 9.7
Venus surface gravity: 8.8
Mercury's surface gravity: 3.7
Your answer would be D: Earth, Venus, Mercury
Hope this helps! (:
Which best describes what occurs when an object takes in a wave as the wave hits it?
A: transmission
B: absorption
C: reflection
D: refraction
Answer:
For Edge users, the answer is absorption.Explanation:
What does the law of conservation of momentum
Answer:
the total momentum of the two objects before the collision is equal to the total momentum of the two objects after the collision.
Explanation:
1. A 2 C charge moving at 15 m/s enters into a magnetic field of strength 8
T. What is the maximum force experienced by this charge? *
Answer:
Maximum force on the charge is 240 N
Explanation:
We have given charge q = 2C
Speed of the charge v = 15 m/sec
Magnetic field B = 8 T
It is known that magnetic force on the moving charge is given by
[tex]F=qvBsin\Theta[/tex]
Maximum force will be equal to
[tex]F=qvB[/tex]
[tex]F=2\times 15\times 8=240N[/tex]
Therefore maximum force on the charge is 240 N
Final answer:
The maximum force experienced by a 2 C charge moving at 15 m/s in an 8 T magnetic field is 240 N, assuming the charge moves perpendicular to the magnetic field.
Explanation:
The maximum force experienced by a 2 C charge moving at 15 m/s in a magnetic field of 8 T can be calculated using the formula F = qvB sin θ, where q is the charge, v is the velocity, B is the magnetic field strength, and θ is the angle between the velocity and the magnetic field. Assuming the maximum force occurs when the charge moves perpendicular to the magnetic field (θ = 90 degrees), the sine of 90 degrees is 1, simplifying our calculation to F = qvB. Thus, the maximum force is F = (2 C)(15 m/s)(8 T) = 240 N.
The amount of electric energy consumed by a 60.0-watt lightbulb for 1.00 minute could lift a
10.0-newton object to a maximum vertical height of
A) 6.00 m B) 36.7 m C) 360. m D) 600. M
Answer:
Explanation:
Given that,
Amount of energy consumed by a 60W light bulb for 1 minutes
P = 60 W
t = 1 mins = 60seconds
This energy can be used to lift a body that weight 10N
W = 10N
This shows that the electrical energy is converted to potential energy
Let calculate the electrical energy
Power is the rate of doing work
Power = Work / time
Therefore, work = power × time
Work = 60 × 60
Work = 3600 J
Potential energy can be calculated using
P.E = mgh
Where, weight is
W = mg
Then, P.E = W•h
P.E = 10•h
Then,
Potential energy, = Electrical energy
P.E = Work
10•h = 3600
Divide both sides by 10
h = 3600 / 10
h = 360m
So, the object will be lifted to a height of 360m
Answer:
360. m
Explanation:
Shayla was late for school. She ran the last half mile in 4 minutes. What was her average speed in miles per hour?
Answer:
7.5 miles per hour
Explanation:
Select the correct answer.
Which situation will have the highest resistance?
A. long wire and high temperature
OB. short wire and high temperature
C. long wire and cold temperature
D. short wire and low temperature
Answer:
C. long wire and high temperature
Explanation:
I just did the test on PLATO.
what does adicate mean? Use it in a sentence
Answer:
I think adicate means there's a lot of diffrent definition ill jus tell you the social studies one it means "renounce one throne" i think
Explanation:
On the surface of Earth, the force of gravity acting on one kilogram is: *
A. 2.2 pounds
B 9.8 pounds
C 2.2 Newtons
D 9.8 Newtons
Your answer would be:
Option (B) : 2.2 Pounds
Anyways stan LOONA
Final answer:
The force of gravity on the surface of Earth acting on one kilogram is 9.8 Newtons, which is the result of the standard acceleration due to gravity of 9.80 m/s².
Explanation:
On the surface of Earth, the force of gravity acting on one kilogram is 9.8 Newtons. This is because the standard acceleration due to gravity is 9.80 m/s² on Earth.
Therefore, the weight of a 1.0 kg object on Earth is calculated using the formula w = mg, which equals (1.0 kg)(9.80 m/s²) = 9.8 N.
It is important to note that a pound is a unit of force equal to 4.44822 Newtons, and it is the force with which a 0.4536 kg mass is attracted to Earth.
Thus, 9.8 N equals approximately 2.2 pounds. However, 9.8 Newtons is the correct force measurement for gravity acting on one kilogram at the Earth's surface.
A child drags a 0.398 kg toy dog
across flat ground at constant speed,
with a 4.63 N force at a 63.0° angle.
What is the force of friction on the
toy?
(Hint: You do NOT need to know the
coefficient of friction.)
Answer:
-2.1 N
Explanation:
The force of friction on the toy is 2.10 N and it acts opposite to the direction of its motion.
What is friction?A force called friction prevents one solid object from rolling or sliding over another. Although frictional forces, such the traction required to walk without slipping, may be advantageous, they can provide a significant amount of resistance to motion.
Given parameters:
mass of the toy dog: M = 0.398 kg.
Applied force: F = 4.63 N.
Angle of application of force: θ = 63.0°
Hence, horizontal component of applied force = F cosθ
= 4.63 × cos63.0° N
= 2.10 N.
As the child drags a 0.398 kg toy dog across flat ground at constant speed, this component of applied force is nullified by force of friction.
Hence, the force of friction on the toy is 2.10 N and it acts opposite to the direction of its motion.
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____ 1. A mineral is inorganic, which means that it contains
a. compounds.
b. materials made by humans.
c. parts of living things.
d. no materials that were once part of living things.
Final answer:
A mineral is inorganic, which means that it contains 'd. no materials that were once part of living things', emphasizing that minerals do not include organic material.
Explanation:
A mineral is defined as a naturally occurring, inorganic solid with a unique chemical and crystalline structure. In this context, the term inorganic means that the mineral does not contain materials that were once part of living things. Therefore, inorganic pertains to material not produced by life processes.
Minerals are typically comprised of a combination of metals and nonmetals, such as calcium carbonate (CaCO3), which includes the metal calcium (Ca) and the nonmetals carbon (C) and oxygen (O). Given the definition of a mineral, the correct answer to the question 'A mineral is inorganic, which means that it contains would be that no materials that were once part of living things.
What does the air of the air capacitor represent in an electrical capacitor?
The parallel conducting plates
The source of electrical current
The insulation between plates
The charged plate of a magnetic field
Answer:
The source of electrical current
Explanation:
i got it right
It presents the electrical current source.
Air capacitor:Air capacitors are those capacitors that use air as their dielectric. The simplest air capacitors should be comprised of two conductive plates separated by an air gap. So when there is the source of electrical current so it present the electrical capacitor.
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two astronauts are playing catch in space. One of them misses a throw. Describe the motion of the ball after the astronaut missed the catch
Answer:
the ball floats away far out into the space and it goes at a fast motion because no friction can stop it if it's doesn't bump into anything
A magnet and a metal paper clip have the strongest magnetic attraction when the distance between them is _____________.
A
16 centimeters
B
12 centimeters
C
8 centimeters
D
4 centimeters
Answer: D
4cm
Explanation:
Any magnet is strongest for attracting other objects at close range. However, the strongest point of attraction depends on the magnetic pole position which is at a point inside the magnet.
49. In what direction does the force of friction act?
Samantha and Emily are pushing a box of textbooks in the same direction across their classroom. Samantha is applying a force of 10 newtons, and Emily is applying a force of 10 newtons. What is the net force of their efforts?
Final answer:
The net force of Samantha and Emily's efforts is 20 newtons.
Explanation:
The net force of Samantha and Emily's efforts is 20 newtons. When two forces are applied in the same direction, their magnitudes can be added to find the net force. In this case, Samantha and Emily are both applying a force of 10 newtons, so the total force is 10 newtons + 10 newtons = 20 newtons.
Fill in the blank. When the northern hemisphere experiences autumn, the southern hemisphere experiences __________.
A. spring
B. summer
C. autumn
D. winter
Lightning is an example of static discharge.
True Or False
Answer:
true
Explanation:
Answer: true
Explanation:
What is the maximum amount of potassium nitrate (KNO3) that can dissolve in 100 grams of water at 40°C?
A.
25 grams
B.
50 grams
C.
62 grams
D.
75 grams
Answer: 62 gram
Explanation:
Using attached solubility graph
This solubility graph tells us the amount of potassium nitrate that can be dissolved per 100g of water in order to have a saturated solution of potassium nitrate at a given temperature.
In order to find the solubility of the salt at 40∘C, start from the 40∘C mark on the graph and move up until you intersect the curve. At the point of intersection, move left until you intersect the y axis and read off the value that you land on.
In this case, you can estimate that the solubility of potassium nitrate in water at 40∘C is equal to about 62g
This tells you that a saturated solution of potassium nitrate will hold about 62 g of dissolved salt, i.e. of dissociated salt, per 100g of water at 40∘C.
Please find the attached file for the graph.
True or False: Earth is larger than the moon, so there is more of a chance for it to block the sun from the moon than for the moon to block the sun from Earth. Therefore, we have a better chance of seeing a lunar eclipse than a solar eclipse.
2. Two charges are attracted to each other with a force of eight units. If the charge of one of the two
doubles and the distance between the two objects remains the same, what will be the new force of
attraction between the two objects? Explain your answer.
Answer:
16
Explanation:
The formula for the force of attraction between two charges is [tex]\frac{k\cdot q_1q_2}{r^2}[/tex], where k is a constant, [tex]q_1[/tex] is the first charge, and [tex]q_2[/tex] is the second charge. As you can see, if the radius or distance increases by 2, the force decreases by 4 because it grows exponentially. However, if the charge of one of the particles increases by 2, the force between the two also increases by 2. Therefore, the new force will be 8*2=16. Hope this helps!
The new force of attraction between the two objects is;
F_new = 2F
The formula for force of attraction between two objects is;
F = kq1•q2/r²
Where;
k is coulombs constant
q1 is charge of first object
q2 is charge of second object
r is distance between both objects
Now we are told that the charge of one of the two object doubles and the distance between them remains the same.
This means q1 is now 2q1.
Thus;
F_new = k(2q1) × q2/r²
>> F_new = 2(kq1•q2/r²)
Thus, new force of attraction between both objects will be twice the initial force of attraction which is 2F.
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From the drop-down list, choose the flaw for the given scientific design.
A student wants to determine how well tulips will bloom at high temperatures. She knows they bloom well at room temperature, so she sets up groups at higher temperatures: 80°F, 90°F, and 100°F.
Answer: The design lacks to control group
Explanation:
Answer:The design lacks a control group
Explanation:
edg
Can you change how much power you use while exercising?
Answer:Most treadmills and stationary bikes use electricity, but what if you could produce electricity while exercising? With a pedal-power generator, you can! And you can use the electricity immediately to power a television, computer, stereo or other electronics — or store it in batteries to use it later.
Explanation:
What happens to the gravitational force between two objects as the bodies become farther apart from each other?
A.
The gravitational force decreases
B.
The gravitational force stays the same
C.
The gravitational force increases
D.
The gravitational force begins to repel the objects.
Answer:
b ( gravitational force stays the same )
Explanation:
because I learned it in school.
Answer: A. The gravitational force decreases
Explanation: I got it correct on Study Island :)
Tabitha hit a 0.25 kg volleyball straight up into the air with 45 Joules of energy. How high did volleyball soar up? Round to the nearest whole number.
Answer:
18 m
Explanation:
E = mgh
45 J = (0.25 kg) (9.8 m/s²) h
h = 18 m
Infer whether a circuit breaker should be connected in parallel to the circuit that it is protecting.
The circuit breaker should be connected in series to the circuit that it is protecting it.
The circuit breaker is a device that helps to protect the circuit. In case of emergency the circuit breaker cuts off any live wiring in the circuit. This process will only be possible if the circuit is connected in series to the circuit.
In series circuit connection, current flowing in the circuit is the same. When the circuit breaker cuts off, all the current flowing in the circuit breaks.
Thus, the circuit breaker should be connected in series to the circuit that it is protecting it.
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what is the density of the troposhere
Answer:
6-16km
Explanation:
I think this is the answer.i hope this helps you out! ☺️
On a camping trip on the Oregon coast, you decide to hike to the ocean, but you are not sure of the direction. The time is 4:00 P.M. How might the breeze help you find the ocean? Explain.
Answer:
Because of the time, the breeze is blowing cold towards the ocean. It has to do with wind drafts.
Sea breeze come from ocean to land area. Hence, travelling against sea breeze, you get direction of the coast.
What is sea breeze?Any wind that flows from a big body of water onto a landmass is called a sea breeze. Sea breezes form as a result of changes in air pressure brought on by the different heat capacities of water and dry land.
Sea breezes are therefore more confined than prevailing winds. A sea wind is frequently seen along coasts after sunrise because land warms up far more quickly than water does when exposed to solar radiation. After sunset, a sea breeze diminishes and the wind shifts to flowing from the land towards the sea.
During afternoon ( 4.00 PM), sea breeze come from ocean to land area. Hence, travelling against this breeze, you get direction of the coast.
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What is vector quantities?
Answer: Vector quantity is a measurement that has both magnitude and direction.
Explanation:
Vector quantity is a measurement that has both magnitude and direction. Examples are force, acceleration, displacement and velocity.