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OLga [1]
4 years ago
5

For a closed system, entropy Group of answer choices may be produced within the system. all of the answers are correct. may be t

ransferred across its boundary. may remain constant throughout the system. all of the answers are correct.
Physics
1 answer:
wolverine [178]4 years ago
6 0

Answer:

The answer is: all of the answers are correct.

Explanation:

Entropy is defined as the magnitude of the irreversibilities of a process. Entropy is the disorder of molecules within a system. If the system is closed, entropy is produced if the process is irreversible. If the system is subjected to expansions or energy transfer, the entropy increases.

A process is reversible if the system and its surroundings are returned to their initial states. In a quasi-static process it is characterized by being a reversible process in which there are no irreversibilities. The entropy in this system is constant in the system.

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Michelle walked 217 meters in 2 minutes ,55 seconds what is her speed
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Explanation:

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2×60=120

3300+120=3420

speed=distance/time

speed=3420/217

x=15.6ms^-1

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From my experience, I would say it is true.
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Garen is climbing stairs to the castle. He travels a distance of 350 stairs in 5 minutes of time.
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An Olympic runner competing in a long-distance event finishes with a time of 2 hours, 45 minutes, and 35 seconds. The event has
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Answer:

Average speed of Olympic runner will be 23.08 km/hr

Explanation:

We have given distance d = 27.3 miles

We know that 1 mile = 1.6 km

So 27.3 mile = =27.3\times 1.6=43.68km

Given time = 2 hour 45 minutes and 35 sec

We know that 1 hour = 60 minutes

So 45 minutes =\frac{45}{60}=0.75hour

We also know that 1 hour = 3600 sec

So 1 sec =\frac{1}{3600}=2.777\times 10^{-4}hour

So total time t ==2+0.75+0.000277=2.750277hour

We know that speed =\frac{distance}{time }=\frac{63.48}{2.750277}=23.08km/hour

6 0
4 years ago
An 18-kg bicycle carrying a 62-kg girl is traveling at a speed of 7 m/s. What is the kinetic energy of the girl
Dafna11 [192]

Answer:

1960 J

Explanation:

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