A heavy uniform rope hangs vertically from the ceiling, with its lower end free. A disturbance on the rope travelling upwards from the lower end has a velocity v at a distance x from the lower end such that :

Question

Quantrex Academy · Accepted Answer

Correct answer: B. v x

Let m= mass per unit length of rope T= tension in the rope at a distance x from the lower end T=( mg ) x = weight of x metre of rope As v= T m v= m g x m = g x i.e., v x

A heavy uniform rope hangs vertically from the ceiling, with its lower end free. A disturbance on the rope travelling upwards from the lower end has a velocity v at a distance x from the lower end such that :

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