Question

A bus decreases its speed from 80kmph to 60 kmph in 5s . find its acceleration .

Answer 1

Answer:

10/9    m/s²

Explanation:

u=80 kmph=200/9   m/s

v=60 kmph=150/9   m/s

t=5 sec

a=v-u/t

 =(150/9-200/9)/5

 =(50/9)/5

 =10/9    m/s²

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