The angular position of a point on the rim of a rotating wheel is given by θ = 8.0t- 3.0t2 +t3, where t is in seconds and θ is in radians.
(a) Determine the angular velocity at t= 5 sec?
rad/s
(b) Determine the angular velocity at t = 7.0 sec?
rad/s
(c) Find the average angular acceleration for the time interval that begins at t = 5 s and ends at t = 7.0 sec?
rad/s2
(d) Find the instantaneous angular acceleration at the beginning of this time interval?
rad/s2
(e) Find the instantaneous angular acceleration at the end of this time interval?
rad/s2