A particle covers 15 m, 25 m and 35 m in three successive intervals of 2 s each. Its constant acceleration is:
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Question

A particle covers 15 m, 25 m and 35 m in three successive intervals of 2 s each. Its constant acceleration is:

G1 Physics · Accepted Answer

For equal time intervals Δt, the difference between successive displacements is a(Δt)². Here 25 − 15 = 10 = a(2)², hence a = 2.5 m s⁻².