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A body of mass 3 kg is under a constant ...

A body of mass `3 kg` is under a constant force which causes a displacement `s` metre in it, given by the relation `s=(1)/(3)t^(2)`, where `t` is in seconds. Work done by the force in 2 seconds is

A

`3/8 J`

B

`8/3 J`

C

`19/5 J`

D

`5/19 J`

Text Solution

Verified by Experts

The correct Answer is:
`(2)`
`W = int F ds = int mav dt`
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