A particle starts from rest moving along a straight line with a constant acceleration of 4 ms−2 . The ratio of the distances travelled in the 2nd and 2nd seconds is
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s= 1/2at^2
S = 1/2*4*2*2
S = 8
S= a/2 (2n-1)
S= 4/2 (2*2-1)
S= 6
ratio= 8/6 = 4/3
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