Science, asked by shakti997126, 10 months ago

when a car driver travelling at a speed of 10 metre per second apply breaks and bring the car to rest in 20 seconds then the retardation will be

Answers

Answered by akhands
2

Answer:

When a car driver travelling at a speed of 10 metre per second applies brakes and brings the car to rest in 20 seconds then retardation will be: a)+2m/second square

Answered by devapriyasindhu
9

Answer:

retardation = 0.5 m/s²

Explanation:

u =10m/s

v = 0m/s

t = 20 s

acceleration = v-u/t

= 0-10/20

=-10/20

=-1/2 = -0.5 m/s²

retardation = 0.5 m/s²

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