Need some help on kinectic energy

  1. I spent about over an hr for this problem and still cant figure it out. :yuck:

    expressing the kinetic energy in terms of momentum (k= 1/2^2mv=p^2/2m) prove using symbols not numbers that the fractional loss during the collision is equal to M/(m+M).
  2. jcsd
  3. This can't be the whole of the problem. What collision?
  4. G01

    G01 2,698
    Homework Helper
    Gold Member

    Please show some work, when you post homework problems. You must show some work in order to receive help according to the rules of the forum.

    Where exactly in this problem are you getting stuck?

    Also, please post homework problems in the Homework help forum.
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