The false statement is "Weight is a constant no matter where you are located." The correct option is D.
A) Weight depends on the force of gravity: This statement is true. Weight is the force with which an object is pulled toward the center of the Earth (or any other celestial body) due to gravity. The weight of an object can vary depending on the strength of the gravitational field.
B) Mass is the amount of matter in an object: This statement is true. Mass is a measure of the amount of matter contained in an object. It is an intrinsic property and remains constant regardless of the location of the object.
C) Mass is a constant no matter where you are located: This statement is true. Mass is an intrinsic property of an object and is independent of its location. It represents the quantity of matter an object contains and does not change with location or gravitational field.
D) Weight is a constant no matter where you are located: This statement is false. Weight depends on the gravitational force acting on an object, which varies depending on the location. The weight of an object is equal to the mass of the object multiplied by the acceleration due to gravity at that location. Since the strength of gravity can vary from one location to another, the weight of an object will also vary accordingly. For example, an object will weigh less on the Moon compared to Earth due to the Moon's weaker gravitational pull.
Hence, The correct answer is option D.
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What is the amount of displacement of a runner who runs exactly 2 laps around a 400 meter track?
A) 400 meters
B)0 meters
C)800 meters
The displacement is zero.
Hence, the correct option is B.
The displacement of an object is the change in its position.
In this case, the runner starts and ends at the same point, so the displacement is zero.
Even though the runner runs 800 meters (2 laps x 400 meters/lap), the runner does not change position.
The runner ends up where they started, so the displacement is zero.
Therefore, The displacement is zero.
Hence, the correct option is B.
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A car with a mass of 2000 kg is moving around a circular curve at a uniform velocity of 25 m/s per second. The curve has a radius of 80 m what is the centripedal force on the car
How does paving parking lots and roads with concrete or asphalt affect surface water and groundwater?
under normal conditions describe how increasing the temperature affects the solubility of a typical salt
The electric field between two parallel plates has a magnitude of 875 N/C. The positive plate is .002 m away from the negative plate. What is the electric potential difference between the plates?
The electric potential difference between two parallel plates with an electric field strength of 875 N/C and separated by 0.002 m is 1.75 volts.
The question asks about the electric potential difference between two parallel plates given the electric field magnitude. To find the electric potential difference (V) between the plates, we use the equation V = E × d, where E is the electric field strength and d is the distance between the plates.
In this case, the electric field (E) is 875 N/C, and the distance (d) is 0.002 m. Therefore, the electric potential difference is:
V = E × d = 875 N/C × 0.002 m = 1.75 V
The electric potential difference between the plates is 1.75 volts.
how can you tell the difference between halite, calcite, and gypsum
I need help
Describe what happens to the energy of a wave if the frequency decreases. Enter your answer in the space provided.
The energy of the wave will decrease.
The energy of a wave is given as
E = h f
where E = energy of waver
h = plank's constant
f = frequency of the wave.
From the formula , we see that the energy of the wave is directly proportional to the frequency of the wave. hence as the frequency of the wave decrease, the energy of the wave will decrease.
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A 2.9 kg model rocket accelerates at 15.3 m/s2 with a force of 44 N. Before launch, the model rocket was not moving. After the solid rocket engine ignited, hot gases were pushed out from the rocket engine nozzle and propelled the rocket toward the sky. Which of Newton’s laws apply in this example? Check all that apply.
A the first law
B the second law
C the third law
D the fourth law
E the fifth law
Answer:
A the first law
B the second law
C the third law
Explanation:
All three Newton laws are involved in this example. Let's see why:
1) First Law: "an object which has a zero net force acting on it stays at rest if it was at rest or continue to move at constant speed if it was already moving" --> this law applies to the first part of the problem, before the launch, when the rocket is not moving: since no forces are acting on it, it stays at rest.
2) Second law: "a net force F applied to an object of mass produces an acceleration a given by the relationship:
[tex]F=ma[/tex]"
This law applies when the rockets starts its motion: in fact, a force of 44 N is applied to the rocket of mass 2.9 kg, and its acceleration is a=15.3 m/s^2, and we see that these numbers satisfy the previous equation.
3) Third law: "when an object A exerts a force on object B, object B exerts an equal and opposite force on object A"
This law applies when the rocket is in motion: in fact, the rocket pushes the hot gases outside, so the hot gases pushes back on the rocket, accelerating it so it moves forward.
two people are pushing a couch from opposite sides. one person pushes with a force of 2 N. the other person pushes with a force of 4 N. which of the following best describes how the couch will move?
The couch will move in the direction of the larger force being applied, which is the side of the person pushing with a force of 4 N.
Explanation:When two people push a couch from opposite sides with forces of 2 N and 4 N respectively, the couch will move in the direction of the larger force. In this instance, the person applying the 4 N force will cause the couch to move in their direction, assuming no other forces are at play (like friction from the floor or additional forces from other directions). The movement can be predicted using Newton's Second Law of Motion, which states that the acceleration of an object is directly proportional to the net force acting upon it and inversely proportional to its mass.
What is the correct formula for finding the frequency of an electromagnetic wave
A. F=c-A
B. F=A/c
C. F=A+c
D. F=c/A
Why is Melanie's diagram of the phases of the moon incorrect? First quarter moon should be between the sun and Earth. Third quarter moon should be between the sun and Earth. The position of the full moon and new moon have been interchanged. The position of the first quarter moon and third quarter moon have been interchanged.
A cable capable of pulling 4,500 N snapped while trying to drag a 20,000 N compressor across the street. What is the coefficient of static friction for this scenario?
Note: the 4500 N cable is used as Fs and is calculated the same as Fk
0.225
> 0.225
4,500 N
> 4,500 N
4.44
> 4.44
Please explain to me how you get your answer.
Answer:
[tex]\mu > 0.225[/tex]
Explanation:
The cable snapped because the frictional force [tex]f_s[/tex] was greater than the tension in the rope:
[tex]f_s > 4,500N[/tex]
Now,
[tex]f_s =\mu N[/tex]
where [tex]\mu[/tex] is the coefficient of static friction, and [tex]N[/tex] is the normal force. In our case, the normal force on the compressor is 20,000 N; therefore,
[tex]f_s =\mu (20,000N )[/tex].
Putting this into the condition [tex]f_s > 4,500N[/tex], we get:
[tex]\mu (20,000N )> 4,500N[/tex]
[tex]$\mu > \frac{4,500N}{20,000N} $[/tex]
[tex]\boxed{\mu > 0.225.}[/tex]
Answer:
>0.225 is correct if its not please let me know I'm willing to help!
A boat initially traveling at 10. meters per second accelerates uniformly at the rate of 5.0 meters per second2 for 10. seconds. How far does the boat travel during this time?
The boat would travel 350 meters during the given time period, assuming uniform acceleration. This is calculated using the equation of motion for distance.
Explanation:The distance traveled by the boat can be calculated using the equation of motion: S = ut + 0.5at², where S is the distance traveled, u is the initial velocity, a is acceleration and t is time. In this case, u = 10 m/s, a = 5 m/s² and t = 10 s.
Substituting these values into the equation we get: S = 10*10 + 0.5*5*10². So, the total distance travelled by the boat = 100 m + 250 m = 350 m. Therefore, the boat travels 350 meters during this time.
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the lowest pitch that the average human can hear has a frequency of 20.0 Hz. if sound with this frequency travels through air with a speed of 331 m/s what is it's wavelength?
The lowest pitch that the average human can hear has a frequency of 20.0 Hz. if sound with this frequency travels through air with a speed of 331 m/s it's wavelength is 16.55 m.
What is frequency?The number of vibrations counted per second is called frequency. A wave is a group of vibrations that are referred to as energy. The bottom node is known as the crest, and the top node is known as the trough.
λ = wave velocity/frequency
λ = 331 m/s / 20.0 Hz
λ = 16.55 m
The lowest pitch that the average human can hear has a frequency of 20.0 Hz. if sound with this frequency travels through air with a speed of 331 m/s it's wavelength is 16.55 m.
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is bread mold chemical or physical
Frieda, age 16, is a boating enthusiast who can tie 20 different kinds of knots. This type of knowledge is most aptly described as __________ knowledge.
Which state(s) of matter have no definite shape or volume?
Answer: gaseous
Explanation:
The major states of matter are solid, gaseous, liquid and plasma. However, there numerous others continued to be discovered such as Bose-Einstein condensate due to continuous research.
Solid state of matter usually have shape and volume which is a major physical characteristic of solids, liquid state of matter do not have shape but have volume however, the tend to occupy the shape of the container with respect to their volume in the container. Gaseous state of matter do not shape or volume but just occupy space in the container.
The electric potential difference of a 150 µF capacitor is measured across the terminals of the capacitor and found to be 5 volts. What is the potential energy of the capacitor?
Answer:
it's 2 on edge
Explanation:
How does the resistance change as you add bulbs to a series circuit? The resistance does not change. The resistance decreases. The resistance increases.
Answer:
The resistance increased
Explanation:
Just got it correct on Edge
If a car is traveling on the highway at a constant velocity, the force that pushes the car forward must be A. equal to the weight of the car. B. greater than the force of friction exerted upon the car. C. equal to the force of friction exerted upon the car. D. greater than the weight of the car.
Answer:
C. equal to the force of friction exerted upon the car.
Explanation:
We know according to Newton's First Law Of Motion , an object in rest or in uniform motion will be in same state unless or until an external force is not provided.
In other words , When no force apply on the body it being in the state of uniform motion or in rest.
In the case given, the car is travelling in the highway at a constant velocity. Therefore net force acting on car in horizontal direction is equal to zero.
It means all the forces acting on horizontal direction cancelling each other which cause net force equals to zero.
Here, to cancel force of friction the force that pushes the car in forward direction must be equals to it.
Therefore, C. option is correct.