How much work must work be done by a for...

How much work must work be done by a force on 50 kg body in order to accelerate it in the direction of force from rest to `20 ms^(-1)` is 10 s?

A

`10^3J`

B

`10^4J`

C

`2xx10^3 J`

D

`4xx10^(4)J`

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The correct Answer is:

B

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