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A body of mass 2kg starts from rest and ...

A body of mass `2kg` starts from rest and moves with uniform acceleration. It acquires a velocity `20ms^-1` in `4s`.
The power exerted on the body at `2s` is

A

50 W

B

100 W

C

250 W

D

200 W

Text Solution

Verified by Experts

The correct Answer is:
B
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