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The velocity acquired by a body moving with uniformaccelertion is `30 m s^(-1)` in `2s` and `60 ms ^(-1)` in `4 s`, The initial velocity is .

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The velocity acquired by a body moving with uniformaccelertion is `30 m s^(-1)` in `2s` and `60 ms ^(-1)` in `4 s`, The initial velocity is .
A. zero
B. ` 2ms^(-1)`
C. `3 ms^(-1)`
D. `10ms^(-1)`
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1 Answer

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Correct Answer - A
`30=u+axx2, 60=u+axx4`
Solve to get `u=0`,
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