A 29 g rifle bullet travelling 270 ms buries itself in a, Ask an Expert

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Q1. A 29 g rifle bullet travelling 270 m/s buries itself in a 3.50 kg pendulum hanging on a 2.6 m long string, which makes pendulum swing upward in an arc. Find out the horizontal component of the pendulum's displacement.

Q2. A 39-kg girl is bouncing on a trampoline. During a certain interval after leaving the surface of the trampoline, her kinetic energy decreases to 210 J from 470 J. How high does she rise during this interval? Neglect air resistance.

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Category:- Physics
Reference No.:- M9163565

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