First Law of Thermodynamics Video Lessons

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Problem: An athlete doing push-ups performs 650 kJ of work and loses 425 kJ of heat. What is the change in the internal energy of the athlete? a) -225 KJ b) -1075 KJ c) 1075 KJ d) 225 KJ  

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An athlete doing push-ups performs 650 kJ of work and loses 425 kJ of heat. What is the change in the internal energy of the athlete?

a) -225 KJ

b) -1075 KJ

c) 1075 KJ

d) 225 KJ

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