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Physics, 21.06.2019 22:00
If the speed of a particle triples ,by what factor does its kinetic energy increase?
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=force × distance a. work b. velocity c. pressure d. momentum
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Physics, 22.06.2019 12:30
An ice-making machine inside a refrigerator operates in a carnot cycle. it takes heat from liquid water at 0.0 degrees celsius and rejects heat to a room at a temperature of 19.2 degrees celsius. suppose that liquid water with a mass of 76.3kg at 0.0 degrees celsius is converted to ice at the same temperature. take the heat of fusion for water to be l_f = 3.34*10^5 j/kg.how much energy e must be supplied to the device? express your answer in joules.
Answers: 1
Physics, 22.06.2019 16:20
Select the correct answer. what does the process of natural selection involve?
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If a box was moved through 3 displacements of unequal magnitude, how could the resultant displacemen...
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