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**Madona****Guest**

A sphere of mass m1 mooving with speed u1 colides directly witha similar sphere of mass m2 moving with speed u2 in the same direction (u1>u2). The coefficient of restitution between the two spheres is e. Show that the loss of kinetic energy E due to collision satisfies the equation

2(m1+m2)E=m1m2(u1-u2)2(1-e2)

**ryos****Member**- Registered: 2005-08-04
- Posts: 394

In my experience, physics problems such as these want you to start from basic and derived formulas that you have learned and manipulate them into the equation they want you to prove.

If we covered that part of physics in my last course, I must have missed it (I hated that class ). So, I can't actually help you. But, maybe that will set you on the right track.

El que pega primero pega dos veces.

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