A hollow, thin-walled sphere of mass 11.0 kgand diameter 45.0 cm is rotating about an axle through its center. The angle (in radians) through which it turns as a function of time (in seconds) is given by θ(t)=At2+Bt4, where A has numerical value 1.20 and B has numerical value 1.60. A.What are the units of the constant A? B.What are the units of the constant B? C.At the time 3.00 s , find the angular momentum of the sphere. D.At the time 3.00 s , find the net torque on the sphere

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