Question

An object of mass m which is hang (by means of a string of negligible mass) at the surface

of a reservoir of water placed on the ground. Assuming that the reservoir is of depth D and

the object released to fall vertically downward. Derive the equations of motion of the object


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Answer 1

Explanation:

An object of mass m which is hang (by means of a string of negligible mass) at the surface of a reservoir of water placed on the ground. Assuming that the reservoir is of depth D and the object released to fall vertically downward. Derive the equations of motion of the object assuming that the resistance offered by the water is R Newtons. How much time is need to get the object to the bottom of the reservoir? With appropriate choice of parameters, plot the potential energy of the object as a function of time.