Question

A bus decreases its speed from 80km h-1 to 60km h-1 in 5s. find the accelaration of the bus

Answer 1

80-60=20
20*1000/60*60=5.55m/s
5.5/5=1.1m/see
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Answer 2

Acceleratiin=v-u/t
Here v=60km/hr=16.6m/s
U=80km/hr=22.2m/s
T=5sec
A=16.6-22.2/5
A=-1.12m/sec^2