Ball is thrown horizontally from the top of a building
A ball is thrown horizontally from the top of a building that is 15.67 m high with a speed of 23.47 m/s. Neglecting air resistance, at what angle with respect to the horizontal will the ball strike the ground?
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The loading on the piston is such that the PV product is a constant. Assuming the room temperature is 20°C, show that this process does not violate the second law.
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The 20°C surroundings experience an entropy increase of 0.008 kW/K. Determine (a) the rate of heat loss from the compressor, (b) the exit temperature of the refrigerant, and (c) the rate of entropy generation.
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