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A man fires a bullet into a hanging wooden block. The bullet has a mass of 30 g and a velocity of
840 m/s immediately before striking the block. The block has a mass of 2.5 kg and begins at rest.
The bullet collides with the block and becomes lodged in it, and the two swing up together.
(a) What is the maximum height reached by the bullet-block system on this swing? (b) If the
bullet instead ricocheted off the block and traveled directly back along its own path, would the
maximum height reached by the block be higher, lower, or remain the same? Justify your answer.
