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A car accelerating for two seconds would cover _________ times the distance of a car accelerating for only one second (cars starts from rest with t
Question

A car accelerating for two seconds would cover _________ times the distance of a car
accelerating for only one second (cars starts from rest with the same acceleration in both the cases).

A.

four

B.

two

C.

one

D.

three

Correct option is A


Given →u = 0
From, Newton's second equation of motion
S = ut + ½.a.t^2

Hence, S2 =4S1 Thus a car accelerating for two seconds would cover four times the distance of a car accelerating for only one second.

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