Two objects, A and B, each of mass 0.22 kg, are moving at 0.52 m/s directly toward each other. A completely inelastic collision occurs and both objects stop. What percentage of the total kinetic energy is changed into other forms of energy?

0 percent

25 percent

50 percent

100 percent

Question

Two objects, A and B, each of mass 0.22 kg, are moving at 0.52 m/s directly toward each other. A completely inelastic collision occurs and both objects stop. What percentage of the total kinetic energy is changed into other forms of energy? 

0 percent

25 percent

50 percent

100 percent

shane_b · Answer

If both objects stop, what are their velocities at that point?

shane_b · Answer

Once you know that, the answer should be clear knowing that:$$KE=\frac{1}{2}mv^2$$