Question

The heart of a man pumps 5 L of blood through the arteries per minute at a pressure of 150 mm of mercury. If the density of mercury be 13.6 x 10³ kg/ m³ and g = 10 m/s², then the power of heart in watt is

(a) 1.70

(b) 2.35

(c) 3.0

(d) 1.50 

Answer 1

Given, pressure = 150 mm of Hg

Pumping rate of heart of a man