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A block is kept on the floor of an eleva...

A block is kept on the floor of an elevator. The elevator starts descending with an acceleration of 12`m//s^(2)` the displacement of the block during `1^(st)` one second wth respect to elevator is-

A

1m downwards

B

1 m upwards

C

5m downwards

D

zero meter.

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The correct Answer is:
B
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