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Fundamental and Derived Units

A body starts...

Question

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

A

62.5 m

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B

32.5 m

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C

112.5 m

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D

50 m

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Solution

The correct option is C $112.5 m$
$u = 10 m / s, a = 5 m / s^{2}, t = 5 s$
$S = u t + \frac{1}{2} a t^{2}$
$S = 10 \times 5 + \frac{1}{2} \times 5 \times 5^{2}$
$S = 112.5 m$

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