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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`.
Find average power transferred to the body in first `2s`.

A

`50W`

B

`100W`

C

`150W`

D

`200W`

Text Solution

Verified by Experts

The correct Answer is:
A
Average power =Total work done/Time
`(1/2mv_1^2)/(Time)=(1/2xx2xx(10)^2)/(2)=50W`
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