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No. 4
4. Abullet (m 50 gram) is fired into an ice block (M 3 KG) sting on ice. The bullet is imbedded in ice block and they move together on ice. a. Find the common velocity they move together. b. Find the initial kinetic energy of the system. c. Find the final kinetic energy of the system. d. Find the percent energy loss. 5. Two Bowling balls are moving toward each other and collide. Assume elastic collision. M 2 kg moving at 3 m/sec, and m 1.8 kg moving at -4 m/sec. Find their velocities after the collision Find their total initial kinetic energy, and total final kinetic energy. Are they equal?
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Answer #1

Ice block maa 3 o5vị t 3x о-B+0.os/4 = 3.OS. V k£ Q.

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