Answered: 125 m/s 0.45 m

An Introduction to Physical Science

14th Edition

ISBN:9781305079137

Author:James Shipman, Jerry D. Wilson, Charles A. Higgins, Omar Torres

Publisher:James Shipman, Jerry D. Wilson, Charles A. Higgins, Omar Torres

Chapter1: Measurement

Section: Chapter Questions

Problem 26SA

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A 5.00-g bullet is shot at a 1.00 kg wood block. The block is suspended on a string. The bullet passes through the block and the block rises a distance of 0.45 m. The bullet emerges from the block at a speed of 125 m/s.
(a) Find the initial speed of the bullet.
(b) Is mechanical energy conserved in the collision of the bullet with the block? Explain.
(minimum one sentence.)
(c) Is linear momentum conserved in the collision of the bullet with the block? Explain.
(minimum one sentence.)

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