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A particle at rest starts moving in a horizontal straight line with uniform acceleration.find the ratio of the distance covered during the first and the

third second.


Let s be the distance covered in 1 second and r be the distance covered in 3 second 
therefore s/r=(1)^2/(3)^2
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formula is snth =u+n/2(a-1/2)
i think 7/13
in next page i solve it with long process ,you can see.ans is 1:5
For first second let distance covered be v and for 3 sec it be u
dividing 1 by 2
0 0 0
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