Q. If an object has a moment of inertia 26 kg·m2 and rotates with an angular speed of 115 radians/s, what is its rotational kinetic energy?
Q. How much would an 80.0kg person weigh) on mars where the acceleration of gravity is 3.93m/s^2 and (b) on earth's moon where the acceleration of gravity is 1.63m/s^2