Physics, 09.02.2021 22:50 jlbradley429
What is the change in internal energy if 30 J of heat are released from a system and the system does 50 J of work on its surroundings? Use AU= Q-W. O A. 20 J O B. -20 J O C. -80 J O D. 80 J​
Answers: 1
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Physics, 22.06.2019 11:30
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The period of a pendulum varies directly as the square root of the length of the pendulum and inversely as the square root of the acceleration due to gravity. find the period when the length is 144 cm and the acceleration due to gravity is 980 cm per second squared, if the period is 7pi seconds when the length is 289 cm and the acceleration due to gravity is 980 cm per second squared.
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What is the change in internal energy if 30 J of heat are released from a system and the system does...
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