Question

2. A bus decreases its speed from 80 km h to 60 km h in 5 s. Find the acceleration of the bus.
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Answer 1

Answer:

speed =80000/3600. & 60000/3600

speed = 200/9. & 50/3

acceleration= v-u/t

a = 50/3-200/9/5

a=-250/9m/s

since it is retardation value is negative

hope it will help you

Answer 2

Above answer is accurate.