A weight of mass M is hanging from a rope. The force F applied to the rope
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A weight of mass M is hanging from a rope. The force F applied to the rope is such that the weight is lowered vertically at a velocity v, which may vary with time.
a) Determine the expression for the time evolution of the mechanical energy E', which is the sum of the kinetic and potential energies.
b) Determine the time evolution of the energy E of the system according to the first law (1.11).
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Related Book For
Principles Of Thermodynamics
ISBN: 9781108426091
1st Edition
Authors: Jean-Philippe Ansermet, Sylvain D. Brechet
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