Physics, 27.05.2021 23:10 christabell0303
A frictionless spring with a 8-kg mass can be held stretched 0.2 meters beyond its natural length by a force of 10 newtons. If the spring begins at its equilibrium position, but a push gives it an initial velocity of 1 m/sec, find the position of the mass after tt seconds.
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6–55 refrigerant-134a enters the condenser of a residential heat pump at 800 kpa and 358c at a rate of 0.018 kg/s and leaves at 800 kpa as a saturated liquid. if the compressor consumes 1.2 kw of power, determine (a) the cop of the heat pump and (b) the rate of heat absorption from the outside air.
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A frictionless spring with a 8-kg mass can be held stretched 0.2 meters beyond its natural length by...
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