Question 631110
Make the substitution {{{ k = 2/3 }}}
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When rider is pedaling:
{{{ 300 }}} rev/min
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At the end of 1 min after stops pedaling:
{{{ k*300 }}}
At end of 2 min:
{{{ k*k*300 }}}
At end of 3 min:
{{{ k*k*k*300 }}}
At end of 4 min:
{{{ k^4*300 }}}
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{{{ (2/3)^4*300 = (16/81)*300 }}}
{{{ 59 }}} rev/min