If a person is standing still in a moving elevator at 55 mph what is her speed in mph relative to the elevator
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Ответ:
We are standing still inside an elevator
So our speed in the frame of elevator is zero
we can write this relative speed as
also we know that speed of the elevator is 55 mph
now the velocity in relative frame is zero as he is still in the moving elevator while in the ground frame or observing from the ground its velocity will be same as velocity of elevator.
So whenever an object is at rest in a moving frame then its relative velocity with respect to that frame must be ZERO
Ответ:
no
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