Question: A crane lifts a 1000-kg load vertically up at a speed of 0.5 m/s. Assuming no destruction of energy, determine (a) The rate at which

A crane lifts a 1000-kg load vertically up at a speed of 0.5 m/s. Assuming no destruction of energy, determine
(a) The rate at which energy is transferred into the system (load) and
(b) The rate of change of energy (dΦ/dt) of the system.

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