OpenStax, Algebra and Trigonometry 2e §5.8 Modeling Using Variation · Exercise 65 · Algebra · Polynomials
Modeling Using Variation · Exercise 65
Use the given information to answer the questions.
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 45 hp at 100 rpm, what must the diameter be in order to transmit 60 hp at 150 rpm?
OpenStax, Algebra and Trigonometry 2e · §5.8 Modeling Using Variation · Exercise 65
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