Answered: 125 m/s 0.45 m

College Physics

1st Edition

ISBN:9781938168000

Author:Paul Peter Urone, Roger Hinrichs

Publisher:Paul Peter Urone, Roger Hinrichs

Chapter1: Introduction: The Nature Of Science And Physics

Section: Chapter Questions

Problem 2PE: A car is traveling at a speed of 33 m/s. (a) What is its speed in kilometers per hour? (b) Is it...

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Physics Problem:

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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