11:59:00 PM (20%) Problem 3: A detailed graph of angular acceleration versus time is shown. a(rad/s?) +5.0 5.01 10.0 15.0 20.0 25.0 t(s) -5.0 A 20% Part (a) What is the instantaneous angular acceleration, in radians per squared second, at time 115 s? 20% Part (b) What is the change in angular velocity, in radians per second, during the time interval from 1.75 sto 5.25 s?
