Question

A particle travels in a straight line a distance of 3 m in a time of 0.02 seconds. It is known that the
particle accelerates from rest with constant acceleration. What is the acceleration of the particle?

Answer 1

we know that
$s = ut + \frac{1}{2} a {t}^{2}$
(putting value of s as 3m t as0.02 sec and u =0)
$3 = 0 + \frac{1}{2} a \times \frac{2}{100} \times \frac{2}{100}$
30000=2a
a=15000m/s^2

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