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Rotating disk short question

by bricker9236
Tags: angular, constant, disk, speed, velocity
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bricker9236
#1
Oct19-09, 03:42 PM
P: 10
1. The problem statement, all variables and given/known data

If object is rotating on a disk with a constant angular speed, which of the following is zero?


the object's tangential acceleration

the object's centripetal acceleration

both (a) and (b) are zero

niether (a) or (b) are zero



2. Relevant equations



3. The attempt at a solution
1. The problem statement, all variables and given/known data



2. Relevant equations



3. The attempt at a solution
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tiny-tim
#2
Oct19-09, 06:28 PM
Sci Advisor
HW Helper
Thanks
tiny-tim's Avatar
P: 26,160
Hi bricker9236! Welcome to PF!

What do you think (and why)?


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