A uniform rod of lenght L=20 cm and mass M-1 kg is lying on a frictionless table. You slide a small piece of putty of mass m=100 gr across the table so that it hits the rod straight on 5 cm from the end with a velocity v=10 m/s. After the collission the putty sticks to the rod. 1. What is the velocity of the centre of mass for the putty+rod system. 2. Where is the centre of mass of the putty+rod system 3. What is the angular speed of the putty+rod system around the centre of mass

University Physics Volume 1
18th Edition
ISBN:9781938168277
Author:William Moebs, Samuel J. Ling, Jeff Sanny
Publisher:William Moebs, Samuel J. Ling, Jeff Sanny
Chapter11: Angular Momentum
Section: Chapter Questions
Problem 58P: Shown below is a small particle of mass 20 g that is moving at a speed of 10.0 m/s when it collides...
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A uniform rod of lenght L=20 cm and mass M-1 kg is lying on a frictionless table. You slide a small piece of putty
of mass m=100 gr across the table so that it hits the rod straight on 5 cm from the end with a velocity v=10 m/s.
After the collission the putty sticks to the rod.
1. What is the velocity of the centre of mass for the putty+rod system.
2. Where is the centre of mass of the putty+rod system
3. What is the angular speed of the putty+rod system around the centre of mass
4. What is the change in energy after the collission?
Transcribed Image Text:A uniform rod of lenght L=20 cm and mass M-1 kg is lying on a frictionless table. You slide a small piece of putty of mass m=100 gr across the table so that it hits the rod straight on 5 cm from the end with a velocity v=10 m/s. After the collission the putty sticks to the rod. 1. What is the velocity of the centre of mass for the putty+rod system. 2. Where is the centre of mass of the putty+rod system 3. What is the angular speed of the putty+rod system around the centre of mass 4. What is the change in energy after the collission?
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