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Homework Help: Work and energy

  1. Mar 9, 2010 #1
    1. The problem statement, all variables and given/known data
    A mechanic pushes a 3703 kg car from rest to a speed of v, doing 6563 J of work in the
    process. During this time, the carmoves 22m.
    a)Neglecting friction between the car and the road, find v.
    b)Find the horizontal force exerted on the car.

    2. Relevant equations

    no idea

    3. The attempt at a solution
    no idea
  2. jcsd
  3. Mar 9, 2010 #2


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    Homework Helper

    Wouldn't the change in kinetic energy be the same as the work the person does in the process?
  4. Mar 11, 2010 #3
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