A musket ball, 0.2 kilograms, is shot with the speed of 313 meters per second into a metal can holding some clay. The musket ball penetrates 0.134 meters into the clay before coming to a stop. What is the kinetic energy of the musket ball before it hits the clay? How much work does the clay do in stopping the musket ball, question mark? What forces the clay exert in stopping the musket ball?

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