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A block of mass is moving with a constan...

A block of mass is moving with a constant acceleration on a rough plane. If the coefficient of friction between the block and the ground is `mu`, the power delivered by the external agent after a time t from the beginning is equal to

A

`ma^(2)t`

B

`mu m g a t`

C

`mu m(a+mug) g t`

D

`m(a+mug) a t`

Text Solution

Verified by Experts

The correct Answer is:
D
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