Question

A bus decreases its speed from 36 km/h to 18 km/h in 5 second. Find its acceleration




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Answer 1

Answer:

u=36km/hr=10m/s

v=18km/hr=5m/s

t=5 sec

Explanation:

now using, a=(v-u)/t

we get , a=(5-10)/5

a=(-5)/5

Therefore a(retardation)

-1m s

Answer 2

what is this answer is wrong