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Question
A body starts from rest and moves along a straight line path with uniform acceleration . What is the ratio of velocities at t =1s and t=2s ?
A body starts from rest and moves along a straight line path with uniform acceleration . What is the ratio of velocities at t =1s and t=2s ?
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Solution
v=u+at
at t=1s, v=0+1*a = a
at t=2s, v=0+2*a=2a
taking the ratio between them ,
a/2a= 1/2
ratio is 1:2
at t=1s, v=0+1*a = a
at t=2s, v=0+2*a=2a
taking the ratio between them ,
a/2a= 1/2
ratio is 1:2
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