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If a body starts from rest, the time in ...

If a body starts from rest, the time in which it covers a particular displacement with uniform acceleration is :

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The correct Answer is:
A
`v=-(v_(0)/x_(0))x+v_(0)`
`a=[-v_(0)/x_(0)n+v_(0)][-v_(0)/x_(0)]`
`a=(-v_(0)/x_(0))^(2) x-v_(0)^(2)/x_(0)`
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