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Answer to Question #37242 in Mechanics | Relativity for alzahra
Question #37242
The table lists the initial and final kinetic and potential energies for a number of different motions. Identify the one for which mechanical energy is not conserved by determining the work Wnc done by the net nonconservative force.
INITIAL FINAL
KE0 PE0 KEf PEf
A 2377 J 1652 J 2005 J 2024 J
B 7308 J 9644 J 8762 J 8190 J
C 3816 J 5667 J 5667 J 3816 J
D 1525 J 1768 J 1222 J 1606 J
INITIAL FINAL
KE0 PE0 KEf PEf
A 2377 J 1652 J 2005 J 2024 J
B 7308 J 9644 J 8762 J 8190 J
C 3816 J 5667 J 5667 J 3816 J
D 1525 J 1768 J 1222 J 1606 J
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Comments
D. since it gives you -465 J and the other options give 0 J meaning it is conserved
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