Question 1108760
Convert mi/hr to in/min
[ mi/hr ] x [ ft/mi ] x [ in/ft ] x [ hr/min ]
{{{ 60*5280*12*(1/60) = 63360 }}} in/min
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Find cicumference, {{{ C }}}, in inches
{{{ C = 2*pi*(28/2) }}}
{{{ C = 28pi }}}
{{{ C = 87.9646 }}} in/rev
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[ in/rev ] / [ in/min ] = [ min/rev ]
{{{ 87.9646 / 63360 = .001388 }}} min/rev
{{{ 1/.001388 = 720.29 }}} rev/min
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[ rad / rev ] * [ rev/min ] = rad/min
{{{ (( 2pi )/1 ) * 720.29 = 4525.715 }}} rad/min
check the math