Answer to Question #33731 in Acoustics for azim

Question #33731

1. Sand falls at the rate of 0.15kg/s on a conveyor belt moving horizontally at a constant speed of 2 m/s , calculate i) the extra force necessary to maintain this speed ii) the rate at which work is done by this force, iii) the change in kinetic energy per second of the sand on the belt. Account for the difference between answer to (ii) to (iii)

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