The human heart discharges 80 ml of blood at each beat against pressure of 0.1 mm of Hg. What is the power of the heart assuming that the pulse frequency is 75 beats per minute? (Density of mercury
)
Text Solution
Verified by ExpertsThe correct answer is:
A
Volume of blood discharge/ beat 

Pressure
of Hg


Total work done in 75 beat = 75
PV
Power 


Prepare Smarter with CGP Edu
Get practice questions, solutions, and test series in one place.
Write a Review
Share your experience with this question and solution.
Commentary
Send your comment, doubt, correction, or feedback to admin.
Similar Questions
Explore conceptually related problems
An electric pump lifts 1000 liter of water to a height of 10 m in 980 s. The power of the pump in k…
A force acting on a body maintains its velocity at . The power exerted is
A body of mass accelerates uniformly from rest to in time . As a function of time t, the instant…
An electric motor is used to fill an overhead tank of capacity kept at a height of 20 m above the …
An engine develops 20 kW power. How much time will it take to lift a mass of 200 kg to a height of …
A particle moves with a velocity under the influence of a constant force . The instantancous powe…