Question

9. A bus accelerates uniformly from 54 km/h to 72 km/h in 10 seconds Calculate (i) acceleration in m/s2

Answer 1

HEY MATE HERE IS YOUR ANSWER

u = 54km/ hr => 15 m/s
v = 72 km/ hr => 20 m/s
t = 10 sec

a = v- u / t
= 20 - 15 / 10
= 5 / 10
= 1 /2 m/s^2

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