Physics, 16.09.2019 13:00 jpwalker9017
Aramp is 2.8 m long and 1.2 m high. how much power is needed to push a box up the ramp in 4.6 s with a force of 96 n?
Answers: 1
Physics, 22.06.2019 12:00
Explain why electric current cannot exist if a current doesn't have a voltage source.
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Physics, 22.06.2019 16:50
Acommercial refrigerator with refrigerant-134a as the working fluid is used to keep the refrigerated space at -35°c by rejecting waste heat to cooling water that enters the condenser at 18°c at a rate of 0.25 kg/s and leaves at 26°c. the refrigerant enters the condenser at 1.2 mpa and 50°c. if the compressor consumes 3.3 kw of power, determine (a) the mass flow rate of the refrigerant, (b) the refrigeration load, (c) the cop, and (d) the minimum power input to the compressor for the same refrigeration load.
Answers: 2
Aramp is 2.8 m long and 1.2 m high. how much power is needed to push a box up the ramp in 4.6 s with...
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