Asked by bano

Two objects moving with constant acceleration starting from rest are to cover the same distance. If the second is to cover that distance in ¼ of the time would need

a: a quarter of the first’s acceleration.

b: a half of the first’s acceleration.

c: sixteen times the first’s acceleration.

d: eight times the first’s acceleration.

Answers

Answered by bobpursley
distance=1/2 a t^2
a= 2 distance/t^2

so if the new t is 1/4, the new a must be 16 times

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