4. A \( 0.010-\mathrm{kg} \) bullet is fired with velocity of \( 400 \mathrm{~m} / \mathrm{s} \) into a pendulum bob which has a mass of \( 0.990 \mathrm{~kg} \). How high does the pendulum bob (plus bullet) swing after the collision?
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We need to find the height to which a pendulum bob (plus a bullet embedded in it) swings after a bullet is fired into it. This involves a two-step process: first, finding the velocity of the combined mass right after the collision (using conservation of momentum), Show more…
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