A turbine fan in a jet engine has a moment of inertia of 2.5 kg .m2 about its axis of rotation. As the turbine starts up, its angular velocity is given by vz = (40 rad/s3)t2. (a) Find the fan’s angular momentum as a function of time, and find its value at t = 3.0 s. (b) Find the net torque on the fan as a function of time, and find its value at t = 3.0 s.

A turbine fan in a jet engine has a moment of inertia of 2.5 kg .m2 about its axis of rotation. As the turbine starts up, its angular velocity is given by vz = (40 rad/s3)t2. (a) Find the fan’s angular momentum as a function of time, and find its value at t = 3.0 s. (b) Find the net torque on the fan as a function of time, and find its value at t = 3.0 s.

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