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A500g object falls off a cliff and losers 100 j from its gravitational potential energy store. if the gravitational field strength g=9.8n/kg, how high is the cliff?
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How much energy is supplied to each coulomb of charge that flows through a 12-v battery?
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Which statement describes the formation of our sun? a disk formed of long trails of stars coiled into a spiral. it formed an elliptical flattened disk. heat and gases contracted within a nebula. gravity pushed stars away from a center core.
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2 kg of water has cooled from 40 °C to 37 °C. How much energy has left the water?...
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