document.write( "Question 1056856: What power (in horsepower) is developed by a grinding machine whose wheel has a radius of 8.10 in and runs at 7.20 rev/s, when the tool to be sharpened is held against the wheel with a force of 47.0 lb? The coefficient of friction between the tool and the wheel is 0.310 .
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Algebra.Com's Answer #671975 by ikleyn(52839) $\"\"$ $\"About$

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\n" ); document.write( "What power (in horsepower) is developed by a grinding machine whose wheel has a radius of 8.10 in and runs at 7.20 rev/s,
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\n" ); document.write( "The coefficient of friction between the tool and the wheel is 0.310 .
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document.write( "Had the units be in metric system, the answer would be\r\n" );
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document.write( "Power = ,\r\n" );
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document.write( "where r is the radius, n is the number of revolutions per second (7.20),  is the friction coefficient (0.310) and F is the force.\r\n" );
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document.write( "In the given units you need to make an appropriate conversion of units.\r\n" );
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\n" ); document.write( "\n" ); document.write( "So, consider my response as some hint.
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