A door 1.00 m wide, of mass 15 kg, can rotate freely about a vertical axis through its hinges. A bullet with a mass of 10 g and a speed of 400 m/s strikes the center of the door, in a direction perpendicular to the plane of the door, and embeds itself there. Find the door's angular speed. Is kinetic energy conserved? (0.4 rad/s) -0.50 Hinge m-10 "bullet -400m d=100mm=15kg Bullet Before After
A door 1.00 m wide, of mass 15 kg, can rotate freely about a vertical axis through its hinges. A bullet with a mass of 10 g and a speed of 400 m/s strikes the center of the door, in a direction perpendicular to the plane of the door, and embeds itself there. Find the door's angular speed. Is kinetic energy conserved? (0.4 rad/s) -0.50 Hinge m-10 "bullet -400m d=100mm=15kg Bullet Before After
Physics for Scientists and Engineers: Foundations and Connections
1st Edition
ISBN:9781133939146
Author:Katz, Debora M.
Publisher:Katz, Debora M.
Chapter13: Rotation Ii: A Conservation Approach
Section: Chapter Questions
Problem 46PQ: A thin rod of length 2.65 m and mass 13.7 kg is rotated at anangular speed of 3.89 rad/s around an...
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![A door 1.00 m wide, of mass 15 kg, can rotate freely about a vertical axis through its
hinges. A bullet with a mass of 10 g and a speed of 400 m/s strikes the center of the
door, in a direction perpendicular to the plane of the door, and embeds itself there.
Find the door's angular speed. Is kinetic energy conserved? (0.4 rad/s)
-0.50
Hinge
m-10
"bullet
-400m
d=100mm=15kg
Bullet
Before
After](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2Fdef9a4ac-ae14-4a8b-b993-39977a54c3f4%2F8f414b48-0588-46a8-8579-9cd38d776aed%2F7z69o7j_processed.png&w=3840&q=75)
Transcribed Image Text:A door 1.00 m wide, of mass 15 kg, can rotate freely about a vertical axis through its
hinges. A bullet with a mass of 10 g and a speed of 400 m/s strikes the center of the
door, in a direction perpendicular to the plane of the door, and embeds itself there.
Find the door's angular speed. Is kinetic energy conserved? (0.4 rad/s)
-0.50
Hinge
m-10
"bullet
-400m
d=100mm=15kg
Bullet
Before
After
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