Physics, 07.03.2020 02:29 makennahudson94
The horsepower (hp) that a shaft can safely transmit varies jointly with its speed, in revolutions per minute (rpm), and the cube of the diameter. If the shaft of a certain material 3 inches in diameter can transmit 46 hp at 100 rpm, what must the diameter be in order to transmit 74 hp at 175 rpm?
Answers: 1
![74=0.017*175*d^{3} \\\\74=2.975*d^3\\d^3=\frac{74}{2.975} \\d=\sqrt[3]{24.87} \\d=2.9 inches\\\\](/tpl/images/0537/1252/7550e.png)
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3 inches
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The horsepower (hp) that a shaft can safely transmit varies jointly with its speed, in revolutions p...
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