1. The problem statement, all variables and given/known data Calculate the angular acceleration and angular velocity of a 2kg object rotating in a circle of 1.5m radius in a time of 3s. 2. Relevant equations w=v/r 2*pie*r 3. The attempt at a solution Hi all, every attempt so far has been a failure, I just can't work out how to calculate this, hours spent, Please help. Thanks Dave.