Answer Happy

Question 9 1 pts Calculate the mechanical efficiency (%) of a bout of cycling exercise wherein the mechanical work output on the cycle ergometer is 105 kcal and the energy input (human energy expenditure during the exercise) is 450 kcal. 23.0% 428.6% 20.3% 26.3% Question 10 1 pts Calculate the mechanical efficiency (%) of a bout of cycling exercise wherein the mechanical work output on the cycle ergometer is 125 kcal and the energy input (human energy expenditure during the exercise) is 550 kcal. 4.4% 44% 22.7% O22.1%