Consider a uniform sphere (I=2/5mR 2 ), which has a mass of 4.80 kg and a radius of 0.22 m. A tangential force of 11.2 N is applied to the outer edge of this sphere. Calculate the resulting angular acceleration.

Ahydroelectric plant takes energy from water and turns it into electrical energy. what are the transformations of energy in the water molecules that are used in the process of generating electricity this way?

Imagine that someone pushes one marble toward a motionless marble. would there still be action-reaction forces involved in the collision? how might the marbles’ motions be changed? ?

If an astronaut takes an object to the moon the following is true (choose only one). a the mass will change but the weight will be the same. b both the mass and the weight of the object will be the same. c the weight will change but the mass will be the same. d both the mass and the weight of the object will change.