An object's moment of inertia is 2.0 kg · m2. its angular velocity is increasing at the rate of 4.0 rad/s per second. what is the net torque on the object?

Sarah and michelle work at a tech company that designs exercise apps. sarah tells michelle she has heard that james, their supervisor, interviewed with a competitor and may be leaving the company, which would open up a management position. what kind of power is sarah exerting?

Awind turbine is initially spinning at a constant angular speed. as the wind's strength gradually increases, the turbine experiences a constant angular acceleration 0.173 rad/s2. after making 2870 revolutions, its angular speed is 132 rad/s. (a) what is the initial angular velocity of the turbine? (b) how much time elapses while the turbine is speeding up?

Explain in physical terms how a microwave oven works. what would happen when you put a conductor in the microwave oven? explain.