The angular distance covered by a rotating centrifuge as a function of time is given by 0 = 0.74t - 0.50t2 + 1.4t rad. What is the the angular velocity at t = 1.8 s? Submit Answer Tries 0/16 What is the the angular velocity at t = 3.8 s? Submit Answer Tries 0/16 What is the instantaneous angular acceleration at t = 1.8 s? Submit Answer Tries 0/16 What is the instantaneous angular acceleration at t = 3.8 s? Submit Answer Tries 0/16 What is the the average angular acceleration between 1.8 s and 3.8 s? Submit Answer Tries 0/16