A body initially at rest starts moving with a constant acceleration $2 m s^{- 2}$ . Calculate the velocity acquired in 5 s.

10 m s^{- 1}

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0 m s^{- 1}

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5 m s^{- 1}

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2.5 m s^{- 1}

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Solution

The correct option is A $10 m s^{- 1}$
$u = 0, a = 2 m / s^{2}, t = 5 s$
Putting the values in $v = u + a t$
$v = 0 + 2 * 5 = 10 m / s$

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