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Question 388901: The horsepower produced by a steam engine varies directly as the number of revolutions per minute of its operation. if 1200 horsepower was produced when a machine was operated at 150 revolutions per minute, find the number of horsepower it will produce when it will operate at 170 revolutions per minute
Answer by stanbon(75887)   (Show Source):
You can put this solution on YOUR website! The horsepower produced by a steam engine varies directly as the number of revolutions per minute of its operation. if 1200 horsepower was produced when a machine was operated at 150 revolutions per minute, find the number of horsepower it will produce when it will operate at 170 revolutions per minute
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h = kr
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Solve for "k":
1200 = k*150
k = 1200/150 = 8
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Equation for this problem:
h = 8r
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find the number of horsepower it will produce when it will operate at 170 revolutions per minute
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h = 8*170 = 1360 horsepower
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Cheers,
Stan H.
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