Question

A bus decreases its speed from 20 ms-1 to 10 ms -1 in 5 s. The acceleration of the bus is?​

Answer 1

Answer:

-2m/s²

Explanation:

Initial velocity = u = 20m/s

Final velocity = v = 10m/s

Time taken = t = 5s

Acceleration = v-u/t

= 10-20/5

= -10/5

= -2m/s²