일반물리학 1 · Center of Mass and Linear Momentum · Problem 50
일반물리학 1 — Center of Mass and Linear Momentum: Problem 50
50 A 5.20 g bullet moving at 700 m/s strikes a 700 g wooden block at rest on a frictionless surface. The bullet emerges, traveling in the same direction with its speed reduced to 450 m/s. (a) What is the resulting speed of the block? (b) What is the speed of the bullet–block center of mass?
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