Answer :


The two bodies are separated because the elevator is moving downward with an acceleration of 12 ms-2 (>g) and the body moves with acceleration, g = 10 ms-2 [Freely falling body]

Now, for the block: g = 10 m/s �, u = 0, t = 0.2 s

So, the distance travelled by the block is given by

=5×0.04 =0.2 m =20 cm

The displacement of the body is 20 cm during the first 0.2 s

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