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hoa [83]
3 years ago
9

A force of 16 N to the west is applied to each object below.

Physics
2 answers:
Sidana [21]3 years ago
5 0

Answer:

A. A 41 kg object that is moving east at 5 m/s

Explanation:

I'm taking this test and got it right.

Tanzania [10]3 years ago
4 0

Answer:

A

Explanation:

Did it on A P E X

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When 597 J of heat are added to a gas, it expands. Its internal energy increases by 318 J. How much work does the gas do? (Unit=
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The magnitude of work done by the gas is 279 J and the sign is negative so W = -279 J as work is done by the system.

<u>Explanation:</u>

According to first law of thermodynamics, the change in internal energy of the system is equal to the sum of the heat energy added or released from the system with the work done on or by the system. If the heat energy is added to the system to perform a certain work, then the heat energy is taken as positive, while it will be negative when the heat energy is released from the system.

Similarly, in this case, the heat energy of 597 J is added to the system. So the heat energy will be positive, while the gas expansion occurs means work is done by the system.

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