A car is moving with a uniform velocity of 20m/s it is brought to rest by
applying brake uniformly for 5s.
a) What is the retardation of the car?
b) What is the displacement of the car during this time interval?
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Answer:
answer is
retardation=4m/s
displacement=525m
Explanation:
we are taking -a since it is retardation.
value of g is taken as 10m/s.
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