If someone's heart beats 75 times per minute, the systolic blood pressure is 1.8 * 10 ^ 4pa, and the average output of blood is 70ml, what is the average power of heart contraction Please answer quickly If someone's heart beats 75 times per minute, the systolic blood pressure is 1.8 * 10 ^ 4pa, and the average output of blood is 70ml, what is the average power of heart contraction

If someone's heart beats 75 times per minute, the systolic blood pressure is 1.8 * 10 ^ 4pa, and the average output of blood is 70ml, what is the average power of heart contraction Please answer quickly If someone's heart beats 75 times per minute, the systolic blood pressure is 1.8 * 10 ^ 4pa, and the average output of blood is 70ml, what is the average power of heart contraction

λ=75/60=1.25
T=1/λ=1/1.25=0.8s
P=w/T=p.s.l/T=p.v/T=18000×0.07/0.8=1575w