An electric hoist consumes 5 kw of power at a constant rate
An electric hoist consumes 5 kW of power at a constant rate to lift a 500-kg mass. Assuming that the hoist is 80% efficient, determine the maximum speed reached by the mass.
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the yield strength for an alloy that has an average grain diameter of 44 x 10-2 mm is 115 mpa at a grain diameter of 71
room is heated by a base-board resistance heater which is designed to heat the air in this room from 8oc to 27 oc
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air is compressed steadily in a compressor from 100kpa and 300 k to 1 mpa and 500 k the compressor is not well
an electric hoist consumes 5 kw of power at a constant rate to lift a 500-kg mass assuming that the hoist is 80
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refrigerant-134a flows across a 3 m-long plate which imparts a constant heat flux of 50 kwm2 to the refrigerant if the
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