Physics, 04.03.2021 09:10 starburst2005
A 20. kilogram rock is lifted 7.0 meters above the ground. What is the gravitational potential energy of the rock?
Answers: 3
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How is sound energy produced a. vibrating objects b. objects being heated c. temperature differences d. stationary objects
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6–48 bananas are to be cooled from 24 to 138c at a rate of 215 kg/h by a refrigeration system. the power input to the refrigerator is 1.4 kw. determine the rate of cooling, in kj/ min, and the cop of the refrigerator. the specific heat of banana above freezing is 3.35 kj/kg·8c.
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A 20. kilogram rock is lifted 7.0 meters above the ground. What is the gravitational
potential ener...
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