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reyes
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reyes asked in Science & MathematicsPhysics · 1 decade ago

Physics question kinetic energy?

A 2.40 kg object strikes a stationary 4.95 kg object head on. What percentage of the first object's kinetic energy is transferred to the second object? Assume the collision is completely elastic.

I don't know how to do this problem.

The equation I have is

vf1= (m1-m2)vi1/(m1+m2)

I am stumped. Thank you for your help!

1 Answer

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  • Anonymous
    1 decade ago
    Favorite Answer

    you don't have a vi1... unless they're using little g, but other wise use Ke=1/2mv squared (sorry don't know where that emblem is).

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