State the type of motion shown by freely falling stone. (b) when a stone is thrown vertically upward its velocity continuously discarded. why? (c) give an example of a motion in which average velocity is zero, but average speed is not zero.
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Answer:
The stone shows uniform acceleration motion when it is freely falling.
When it is being thrown vertically upward, the velocity is constantly decreasing because the earth's gravity pulls it down closer to the surface.
Circular motion is a perfect example of a motion in which the average velocity is always zero but the average speed is not zero.
The stone shows uniform acceleration motion when it is freely falling.
When it is being thrown vertically upward, the velocity is constantly decreasing because the earth's gravity pulls it down closer to the surface.
Circular motion is a perfect example of a motion in which the average velocity is always zero but the average speed is not zero.
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Answer:
a) Uniform motion bcuz there is only gravitational force acting on stone .
b) The stone is being attracted by the earth through gravitational force which is causing retardation in motion of the stone .
c) Uniform circular motion
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