A body starting from rest and moving with a constant acceleration, covers a distance s₁ in the 4th second and a distance s₂, in the 6th second. The ratio s₁ / s₂ is:
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(D) 7/11
Since u = 0, so using,
S, = u + a (n – 1/2)
s₁ = 0 + 7a/2 = 7a/2
s₂ = 0 + 11a/2 = 11a /2
s₁/ s₂ = 7/11