Question

Q. a car acquire a velocity of 72 km/h in 20 seconds starting from rest find the acceleration

Answer 1

hy answer is :

$v{final} - v{initial} \div t1 - t2 \\ \\ \\ 72 - 0 \div 20 - 0 = 3.6$

Answer 2

$u = 0 \\ v = 20ms \\ t = 20s \\ a = (v - u) \div t \\ = 1$
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