A 28-g bullet strikes and becomes embedded in a 1.35-kg block of wood placed on a horizontal surface just in front of the gun. If the coefficient of kinetic friction between the block and the surface is 0.28, and the impact drives the block a distance of 8.5 m before it comes to rest, what was the muzzle speed of the bullet? Draw diagrams of the initial and final situations Find the velocity after the collision Find the velocity before the collision
A 28-g bullet strikes and becomes embedded in a 1.35-kg block of wood placed on a horizontal surface just in front of the gun. If the coefficient of kinetic friction between the block and the surface is 0.28, and the impact drives the block a distance of 8.5 m before it comes to rest, what was the muzzle speed of the bullet? Draw diagrams of the initial and final situations Find the velocity after the collision Find the velocity before the collision
College Physics
11th Edition
ISBN:9781305952300
Author:Raymond A. Serway, Chris Vuille
Publisher:Raymond A. Serway, Chris Vuille
Chapter1: Units, Trigonometry. And Vectors
Section: Chapter Questions
Problem 1CQ: Estimate the order of magnitude of the length, in meters, of each of the following; (a) a mouse, (b)...
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Transcribed Image Text:6. A 28-g bullet strikes and becomes embedded in a 1.35-kg block of wood placed on a
horizontal surface just in front of the gun. If the coefficient of kinetic friction between the
block and the surface is 0.28, and the impact drives the block a distance of 8.5 m before it
comes to rest, what was the muzzle speed of the bullet?
Draw diagrams of the initial and final situations
Find the velocity after the collision
Find the velocity before the collision
Result in symbols only
Final result
7. The tires of a car make 75 revolutions as the car reduces its speed uniformly from 95 km/h to
55 km/h. The tires have a diameter of 0.80 m. (a) What was the angular acceleration of the
tires? If the car continues to decelerate at this rate, (b) how much more time is required for it
to stop, and (c) how far does it go?
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