KariSupreme
03.08.2021 •
Physics
A carnot engine has an efficiency of 50% when its sink temperature is 27°C. The temperature of source is: a) 300°C b) 327°C c) 273°C d) 373°C
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Ответ:
327 degrees
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Ответ:
Explanation:
A machine has a mechanical advantage of 2. This means its output force is .
a. 0.5 times greater than the input force
b. 2 times smaller than the input force
c. 2 times greater than the input force
d. 2 times more efficient than the input force