1.

A lift is moving in upward direction with speed `20m//s` and having acceleration `5m//s^2` in downward direction. A bolt drops from the ceiling of lift at that moment. Just after the drop, the:A. velocity of bolt with respect to ground is zero.B. velocity of bolt with respect to ground is `20m//s` in upward directionC. acceleration of bolt with respect to ground is `5m//s^(2)`D. none of these

Answer» Correct Answer - B
The velocity of an object released in a moving frame is equal to that of frame as observed from the frame.


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