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A 1 kg block is being pushed against a ...

A `1 kg` block is being pushed against a wall by a force `F=75N` as shown in the Figure. The coefficient of friction is `0.25`. The magnitude of acceleration of the block is `:`

A

`10 m//s^(2)`

B

`20 m//s^(2)`

C

`5 m//s^(2)`

D

none

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The correct Answer is:
B
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