John Y.

asked • 05/05/22

Here's Question 39 for my review

The horsepower that can be safely transmitted to a shaft varies jointly as the shaft's angular speed of rotation (in revolutions per minute) and the cube of its radius. A 2-inch radius shaft making 120 revolutions per minute safely transmits 40 horsepower. Find how much horsepower can be safely transmitted by a 3-inch radius shaft making 80 revolutions per minute. (Variation)

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