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For an object, graph of `(1)/(v)` and x is as shown in figure, where v is velocity and x is position of object. Find time taken by object from x = 4m to x = 12m A. `10s`B. `8s`C. `6s`D. `3s` |
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Answer» Correct Answer - A For an object ……………. Equation of graph `(1)/(v) = (3x)/(16) - (1)/(4)` or `v =(1)/((3x)/(16)-(1)/(4))` `(dx)/(dt) = (1)/((3x)/(16) - (1)/(4)) implies overset(12)underset(4)int ((3x)/(16)- (1)/(4)) dx = overset(t)underset(0)int dt` `t = 10s` |
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