(6%) Problem 2: At its lowest setting a centrifuge rotates with an angular speed of w/ = 250 rad/s. When it is switched to the next higher setting it takes ( = 7.5 s to uniformly accelerate to its final angular speed (2 = 650 rad/s. D A 50% Part (a) Calculate the angular acceleration of the centrifuge a, in rad/s over the time interval r. a 1 = Grade Summary Deductions Potential 100% sin( cos() tan() 8 9 HOME Submissions cotan() asin( acoso) E 4 5 6 Attempts remaining: 5 (4%% per attempt) atan() acotan() sinh( 2 3 detailed view cosh() tanh() cotanh() + 0 END O Degrees O Radians VO BACKSINCE CLEAR Submit Hint Feedback I give up! Hints: 1% deduction per hint. Hints remaining: 3 Feedback: 2% deduction per feedback & 50% Part (b) Calculate the total angular displacement (in radians) of the centrifuge, 40, as it accelerates from the initial to the final speed