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VITEEE 2022 Solved Paper

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Question : 21

Total: 125

A particle of mass M originally at rest is subjected to a force whose direction is constant but magnitude varies with time according to the relation
F=F0[1−(‌

)2]
Where F0 and T are constants. The force acts only for the time interval 2T. The velocityv of the particle after time 2T is:

2F0T∕M
F0T∕2M
4F0T∕3M
F0T∕3M

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