a car moving with 20m/s is brought to rest by applying brakes in 5 sec.calculate retardation.
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Answered by
20
Given,
u = 20m/s
v = 0m/s
t = 5s
Using , v = u + at
=> 0 = 20 + a*5
=> a = -20/5 = - 4 m/s2
So, retardation of train = 4m/s2
u = 20m/s
v = 0m/s
t = 5s
Using , v = u + at
=> 0 = 20 + a*5
=> a = -20/5 = - 4 m/s2
So, retardation of train = 4m/s2
Answered by
4
Answer:retardation of car is -4m/s^2
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