Question

A bus decreases its speed from 20 m/s to 40 m/s in 5 s. Find its acceleration.

Answer 1

Explanation:

intial speed = 20 m/s u

final speed = 40m/s v

time = 5s. t

acceleration = v-u /t

40-20/5

20/5

4. answer

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Answer 2

Answer:

given: u=20m/s

v=40m/s

t=5s

a=?

Explanation:

a=v-u/t

a=40-20/5

a=20/5

a=4m/s^2

Hope it helps

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