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If velocity is depend on time such that ...

If velocity is depend on time such that v = 4 – 2t. Find out distance travelled by particle from 1 to 3 sec

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velocity is zero (4-2t=0) at t=2sec
So for distance `(dx)/(dt)=4-2t`
`impliesdx=|int_1^2(4-2t)dt|+|int_2^3(4-2t)dt|`
dx=1+1=2m
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