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OpenStudy (anonymous):
If a car engine burns an equivalent of 20,000 joules of energy and attains a kinetic energy of 5,000 J, how much energy is dissipated in the form of heat? A. 25,000 J B. 15,000J
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OpenStudy (anonymous):
Potential Energy (which is burning of fuel in this case) is negative or dissipate. Kinetic Energy is positive. So, 15kJ.
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