A body, initially at rest, starts moving with a constant acceleration 2 $m s^{- 2}$ . Calculate:(i) the velocity acquired and (ii) the distance travelled in 5 s.

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The displacement of a body which starts from rest, and moving with an acceleration of 1 ms−2 at the end of 5 s in m is:

The correct option is A 12.5Using the equations of motions=ut+12at2u=0 since the body starts from resta=1m/s2 and time t=5ss=12×52s=12.5m

The displacement of a body which starts from rest, and moving with an acceleration of $1 m s^{- 2}$ at the end of $5 s$ in m is:

The correct option is A 12.5
Using the equations of motion
$s = u t + \frac{1}{2} a t^{2}$
$u = 0$ since the body starts from rest
$a = 1 m / s^{2}$ and time $t = 5 s$
$s = \frac{1}{2} \times 5^{2}$
$s = 12.5 m$