A particle starts from rest with constant acceleration. Its displacement during the 5th second is how many times its displacement during the 3rd second?
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Question

A particle starts from rest with constant acceleration. Its displacement during the 5th second is how many times its displacement during the 3rd second?

G1 Physics · Accepted Answer

For u = 0, displacement in nth second is sₙ = (a/2)(2n − 1). Therefore s₅/s₃ = 9/5.