A body starts with an initial velocity of $10 m s^{- 1}$ and acceleration $5 m s^{- 2}$ . Find the distance covered by him in $5 s$ .

112.5 m

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125 m

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75 m

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62.5 m

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Solution

The correct option is A $112.5 m$
$u = 10 m s^{- 1}$
$a = 5 m s^{- 2}$
$t = 5 s$
$s = u t + \frac{1}{2} a t^{2}$
or $s = (10 \times 5) + (\frac{1}{2} \times 5 \times 5^{2}) = 112.5 m$

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