A car starts from rest and moves with an acceleration $4 m / s^{2}$ . Find the speed after $6$ seconds?

8 m / s

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16 m / s

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24 m / s

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32 m / s

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Solution

The correct option is C $24 m / s$
$u = 0 m / s$
$a = 4 m / s^{2}$
$t = 6 s$
As we know, $v = u + a t$
or, $v = 0 + 4 \times 6$
$= 24 m / s$

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