Physicshard · Past Paper
A body starting from rest moves with a constant acceleration. What is the ratio of distance covered in the 1st, 2nd, and 3rd seconds?
A1 : 2 : 3
B1 : 4 : 9
C1 : 3 : 5
D1 : 1 : 1
✓ Correct Answer: C — 1 : 3 : 5
Sn = a/2(2n-1). For n=1,2,3, Sn is a/2(1), a/2(3), a/2(5). Ratio is 1:3:5.
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