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: Calculate the energy to accelerate and decelerate a leg

  1. Mar 23, 2005 #1
    In one model of jogging, the energy expenditure is assumed to go into accelerating and decelerating the legs.
    If the mass of the legs is m and the running speed is v*, calculate the energy to accelerate and decelerate a leg. Assume that each leg starts in each step at a velocity v = 0 and accelerates to v=v*

    Any ideas??
     
  2. jcsd
  3. Mar 23, 2005 #2
    Whats the relationship between mass, velocity and energy?
     
  4. Mar 23, 2005 #3
    What is it just E = 1/2mv2
     
  5. Mar 23, 2005 #4
    Ehh, no because there is a change in velocity. I'm stuck too.
     
  6. Mar 23, 2005 #5
    Yep I have no idea
     
Share this great discussion with others via Reddit, Google+, Twitter, or Facebook