A person rides in an elevator that is shot upward out of a cannon. Think of the

Question

A person rides in an elevator that is shot upward out of a cannon. Think of the elevator after it leaves the cannon and is moving freely in the gravitational field of earth. Neglect air resistance. a) While the elevator is still on the way up, the person inside jumps from the "floor" of elevator. Explain what happens to this person (e.g. falls back to the floor, hits the ceiling, does something else...). The person waits to jump up until the elevator has passed the top of its trajectory and is falling back toward Earth. What happens to this person? How can the person riding in the elevator tell when the elevator reaches the top of its trajectory?

Explanation / Answer

a) while elevator still going upward, if the person inside elevator jumps then person will fall back to floor

b) while elevator is falling back to earth , if a person tries to jump then he will hit the ceiling

c)the time he will feel weightlessness is the time he is falling down to earth

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