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Likurg_2 [28]
3 years ago
8

You are wearing earbuds or headphones to listen to your music but your family members can hear it as well. They tell you that it

's too loud and to turn it down so you don't lose your hearing. Based on what you’ve learned about loudness, how would you respond to your family members?
Physics
1 answer:
san4es73 [151]3 years ago
4 0

I would turn my music down some

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The thermal efficiency of an engine is
\eta= \frac{W}{Q}
where
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Q is the heat absorbed by the engine to do the work

In this problem, the work done by the engine is W=200 J, while the heat exhausted is Q=600 J, so the efficiency of the machine is
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