Question 855091
Express the circumference, {{{ C }}} of the tire
in miles.
{{{ C = pi*d }}}
{{{ C = 3.14159*24 }}}
{{{ C = 75.398224 }}}
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( inches ) x ( 1 foot / 12 inches ) x ( 1 mile / 5280 ft ) = miles
{{{ 75.398224*( 1/12 )*( 1/5280 ) }}}
{{{ 75.398224 / 63360 }}}
{{{ C = .00119 }}}
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Convert mi/hr to mi/min
( mi/hr ) x ( hrs / 60 min ) = mi/min
{{{ 10*(1/60) = .16667 }}} mi/min
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( mi / min ) / ( mi / rev ) = rev / min
{{{ .16667 / .00119 = 140.056 }}}
The angular velocity is 140.056 rev/min
Hope I got it