Physics

A ball with a mass of 12 g is moving at 15 m/s. It collides with a second ball with a mass of 36 g moving at 5 m/s in the same direction. After the collision, the 12-g ball moves at 6.0 m/s. How great is the change in momentum of the z36-g ball?

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asked by Ali
  1. m1u1+m2u2=m1v1+m2v2

    12*15+36*5=12*6+36*v2
    Solve for v2.

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