A bus decreases its speed from 20 m/s to 10 m/s in 5 secs. find the acceleration of the bus?

Answers (1)
S safeer

a=(v-u)/t

here initial velocity u=20m/s

final velocity

v=10m/s

acceleration a = (10-20)/5=-2m/s2

Here the speed is decreasing, there for the acceleration is negative 

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