1. Limited time only! Sign up for a free 30min personal tutor trial with Chegg Tutors
    Dismiss Notice
Dismiss Notice
Join Physics Forums Today!
The friendliest, high quality science and math community on the planet! Everyone who loves science is here!

Homework Help: Find the power of a human heart

  1. May 18, 2006 #1
    Please help me with this problem.
    # The heart of a man pumps 4 litres of blood per minute at a pressure of 130 mm of mercury. If the density of blood is 13.6 gm/cc, what is the power of the heart?
  2. jcsd
  3. May 19, 2006 #2

    Andrew Mason

    User Avatar
    Science Advisor
    Homework Helper

    What is the definition of work? What is the work done in moving a volume dV against a pressure P? (Hint: Use P = F/A and V = Ad) How much work is done per second? What are the units?

Share this great discussion with others via Reddit, Google+, Twitter, or Facebook