Question

A car starts from rest and accelerates uniformly over a time of 6 seconds for a distance of 108 m. determine the acceleration of the car .​

Answer 1

Answer:

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Answer 2

Answer:

distance travelled (s) = 108 m

initial velocity (u) = 0 m/s

time (t) = 6 seconds

acceleration (a) = ?

according to the second equation of motion,

$s = ut + \frac{1}{2} a {t}^{2}$

$108 = 0 \times 6 + \frac{1}{2} \times {6}^{2} \times a$

$108 = 0 + \frac{1}{2} \times 36a$

$108 = 18a$

$a = \frac{108}{18} = 6$

so, acceleration of the car = 6 m/s².