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Which item has the most potential energy (assume they are all at the same height and mass)? a) rock b) magnet c) battery d) light bulb
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Ammonia enters the expansion valve of a refrigeration system at a pressure of 10 bar and a temperature of 18oc and exits at 6.0 bar. the refrigerant undergoes a throttling process. determine the temperature, in oc, and the quality of the refrigerant at the exit of the expansion valve.
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What would be the strength of earth's gravitational field at a point where an 80.0 kg astronaut would experience a 80% reduction in weight
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If two parallel light rays hit a mirror, they will not be parallel to each other after they reflect.
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Current from a charged capacitor lights a bulb. as time goes on the brightness of the
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Which item has the most potential energy (assume they are all at the same height and mass)? a) rock...
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