Question
Under normal conditions the human heart converts about 13.0 J of chemical energy
body. (a) Determine the number of Calories required to power the heart for one day,
per second into 1.30 W of mechanical power as it pumps blood throughout the
given that 1 Calorie equals 4 184 J. (b) Metabolizing 1.00 kg of fat can release
about 9.00 x 103 Calories of energy. What mass of metabolized fat would power
the heart for one day?
body. (a) Determine the number of Calories required to power the heart for one day,
per second into 1.30 W of mechanical power as it pumps blood throughout the
given that 1 Calorie equals 4 184 J. (b) Metabolizing 1.00 kg of fat can release
about 9.00 x 103 Calories of energy. What mass of metabolized fat would power
the heart for one day?
Answers
Mwaka
3g