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
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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
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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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