Physics Help Please

posted by .

Suppose a 65-kg person can run 1000m in 5min. Assume that each stride is 1.5m long, and with each stride the runner must supply an amount of energy equal to her kinetic energy. How much energy (in food calories) is required to run 1km? Is your answer realistic?

Respond to this Question

First Name
School Subject
Your Answer

Similar Questions

  1. Physics

    Question: The amount of internal energy needed to raise the temperature of .25 kg of water by 0.2 degrees Celsius is 209.3 J. How fast must a 0.25 kg baseball travel in order for its kinetic energy to equal this internal energy?
  2. Algebra

    Tara and Jade are hiking up a hill. Each has a different stride. The run for Tara's stride is 32 inches, and the rise is 8 inches. The run for Jade's stride is 36 inches. What is the rise of Jade's stride?
  3. Physics

    Two objects are mocing about so that their total momentum is zero. What can be said about their kinetic energy?
  4. physics

    Suppose a 65-kg person can run 1000m in 5min. Assume that each stride is 1.5m long, and with each stride the runner must supply an amount of energy equal to her kinetic energy. How much energy (in food calories) is required to run …
  5. Physics ~Conservation of Energy~ part 2

    1.) A 500 kg roller coaster is pulled to the top of a hill 45 m high and arrives at the top with a zero speed. a) how much work has done by the vhain to pull the car to the top?
  6. Physics ~please help me!

    1.) A car (m=1200 kg) moves form 2.0 m/s to 15.0 m/s in 100 m. a) What is the initial kinetic energy of the car?
  7. Physics

    The amount of internal energy needed to raise the temperature of 0.26 kg of water by 0.3C is 326.5 J. How fast must a 0.26 kg baseball travel in order for its kinetic energy to equal this internal energy?
  8. Physics Classical Mechanics

    The figure below shows the experimental setup to study the collision between two carts. In the experiment cart A rolls to the right on the level track, away from the motion sensor at the left end of the track. Cart B is initially at …
  9. Science

    A student is trying to identify the different forms of energy described in the following chart: Form of Energy Description Examples Energy A energy that travels in waves through space light radio waves Energy B energy that depends …
  10. stats

    4. One measure of form for a runner is stride rate, defined as the number of steps per second. A runner is considered to be efficient if the stride rate is close to optimum. The stride rate is related to speed; the greater the speed, …

More Similar Questions