A body starts from rest with uniform acceleration of $2 m s^{- 2}$ . Find the distance covered by the body in $2 s$ .

4 m

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6 m

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8 m

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10 m

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Solution

The correct option is A $4 m$
$u = 0$
$a = 2 m s^{- 1}$
$t = 2 s$
$s = u t + \frac{1}{2} a t^{2}$
$s = (0 \times 2) + (\frac{1}{2} \times 2 \times 2^{2}) = 4 m$

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