Register to reply

Angular Velocity of a turntable after weights are added

by doneganstm
Tags: added, angular, turntable, velocity, weights
Share this thread:
doneganstm
#1
Nov7-09, 12:46 PM
P: 1
A 2.0 {\rm kg}, 20-cm-diameter turntable rotates at 100 {\rm rpm} on frictionless bearings. Two 500 {\rm g} blocks fall from above, hit the turntable simultaneously at opposite ends of a diagonal, and stick. What is the turntable's angular velocity, in rpm, just after this event?

I'm not quite sure on how to set this one up or what equation to use, can anyone give me a push in the right direction?
Phys.Org News Partner Science news on Phys.org
Security CTO to detail Android Fake ID flaw at Black Hat
Huge waves measured for first time in Arctic Ocean
Mysterious molecules in space
tiny-tim
#2
Nov7-09, 03:30 PM
Sci Advisor
HW Helper
Thanks
tiny-tim's Avatar
P: 26,157
Hi doneganstm! Welcome to PF!

Hint: conservation of angular momentum.


Register to reply

Related Discussions
Angular velocity for a turntable Introductory Physics Homework 2
Angular Velocity of a turntable-man system Introductory Physics Homework 3
Disk (horizontal axis) with string added masses... angular velocity after 2 seconds? Introductory Physics Homework 2
Turntable, block, and rotation angular velocity Introductory Physics Homework 2
Pulley w/ attached weights/Linear+Angular acceleration. Introductory Physics Homework 6