A bullet of mass 4.20 g is fired horizontally into a 2.42 kg wooden block at rest on a horizontal surface. The coefficient of kinetic friction between block and surface is 0.215. The bullet comes to rest in the block, which moves 1.64 m. (a) What is the speed of the block immediately after the bullet comes to rest within it? (m/s)(b) At what speed is the bullet fired? (m/s)
A bullet of mass 4.20 g is fired horizontally into a 2.42 kg wooden block at rest on a horizontal surface. The coefficient of kinetic friction between block and surface is 0.215. The bullet comes to rest in the block, which moves 1.64 m. (a) What is the speed of the block immediately after the bullet comes to rest within it? (m/s)(b) At what speed is the bullet fired? (m/s)
Principles of Physics: A Calculus-Based Text
5th Edition
ISBN:9781133104261
Author:Raymond A. Serway, John W. Jewett
Publisher:Raymond A. Serway, John W. Jewett
Chapter8: Momentum And Collisions
Section: Chapter Questions
Problem 9OQ
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A bullet of mass 4.20 g is fired horizontally into a 2.42 kg wooden block at rest on a horizontal surface. The coefficient of kinetic friction between block and surface is 0.215. The bullet comes to rest in the block, which moves 1.64 m.
(a) What is the speed of the block immediately after the bullet comes to rest within it? (m/s)
(b) At what speed is the bullet fired? (m/s)
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