Explain how a dense substance, such as metal, is able to float on a less dense substance, like water. Please Help! Remember you
1 answer:
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Answer:
a.
b.
c.
Explanation:
Given:
- temperature of the hotter reservoir,
- temperature of the colder reservoir,
- heat absorbed by the engine,
- heat rejected to the cold reservoir,
- time duration of the energy transfer,
<u>Now the work done by the engine:</u>
Using energy conservation,
a.
<u>Hence the power output:</u>
b.
c.
now actual efficiency:
Answer:
Average velocity = 1.835 m/s
Explanation:
Detailed explanation and calculation is shown in the image below
