Murrell’s Rest Allowance Work-rest cycles for workers performing tasks that expend more...

Murrell’s Rest Allowance Work-rest cycles for workers performing tasks that expend more than 5 kilocalories per minute (kcal/min) are often based on Murrell’s formula

for the number of minutes R(w) of rest for each minute of work expending w kcal/min. Show that and interpret this fact as a statement about the additional amount of rest required for more strenuous tasks.