(13%) Problem 2: A rotating platform of radius R=1.5 cm starts from rest and accelerates with uniform angular acceleration a = 36 rad/s Randomized Variables R=1.5 cm a = 36 rad/s 33% Part (a) Write an expression that gives the centripetal acceleration on the edge of the platform as a function of time, a (1). a (1) C b h m R Submit d j n S Hint 0 8 k P t ( 3 7 161 4 5 WATE 1 2 + . 0 VO PACKING 8 9 6 3 Foolback A HOME PYD I give up! Feedback: 5% deduction per feedback. Grade Summary Deductions Potential 0% 100% Submissions Attempts remaining (3 per attempt) detailed view Hints: 4% deduction per hint. Hints remaining: 3 33% Part (b) Write an expression for the time at which the magnitudes of the centripetal and tangential accelerations at the edge will be equal. 33% Part (c) Calculate the time, t in seconds, for when the magnitudes of the centripetal and tangential accelerations are equal.