Is It Zero? Tangential and Centripetal Acceleration on a Rotating Disk

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bricker9236
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rotating disk short question!

Homework Statement



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



Homework Equations





The Attempt at a Solution


 
Welcome to PF!

Hi bricker9236! Welcome to PF! :wink:

What do you think (and why)? :smile: