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A particle of mass 1 kg is subjected to ...

A particle of mass 1 kg is subjected to a force which varies with distance as shown. If it starts it s journey from rest at `x=0.` then its velocity at `x=15` m is

A

0

B

`20sqrt3 ms^(-1)`

C

`20sqrt2ms^(-1)`

D

`20ms^(-1)`

Text Solution

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The correct Answer is:
D
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