rotating disk short question!!

bricker9236

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

tiny-tim

Hi bricker9236! Welcome to PF!

What do you think (and why)?