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An open system starts with 52 J of mechanical energy. The energy changes to 45 J of mechanical energy and 2 J of thermal energy. What is the final total energy of the system? O A. 90 B. 47J C. 50 J D.
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17 votes
17 votes
An open system starts with 52 J of mechanical energy. The energy changes

to 45 J of mechanical energy and 2 J of thermal energy. What is the final total
energy of the system?
O A. 90
B. 47J
C. 50 J
D. 54 J

User Open
by
2.9k points

1 Answer

20 votes
20 votes

Answer:

I think the answer is D,54 joules

User Hristo Venev
by
3.1k points
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