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You exert a vertical force of 72 newtons to lift a box to a height of 1.0 meter in a time of 2.0
seconds. how much power is used to lift the box?
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How many neutrons does plutonium -196 with an atomic number of 78.
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Arefrigerator uses r-134a as the working fluid and operates on the ideal vapor-compression refrigeration cycle except for the compression process. the refrigerant enters the evaporator at 120 kpa with a quality of 34 percent and leaves the compressor at 70°c. if the compressor consumes 450 w of power, determine (a) the mass flow rate of the refrigerant, (b) the condenser pressure, and (c) the cop of the refrigerator. (0.00644 kg/s, 800 kpa, 2.03)
Answers: 1
You exert a vertical force of 72 newtons to lift a box to a height of 1.0 meter in a time of 2.0
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