A. Determine the kinetic energy of ball "8" right after the collision. b. What is the velocity of the "8" ball after the elastic collision below?

Ablock having mass m slides down an inclined plane. the force of friction between the block and the inclined plane is f, the block's weight is m g, and the normal force is n. (a) draw a free – body force diagram showing the forces acting on the block. (b) write down all relevant newton’s equations for a given situation.

Why do astronauts in the space shuttle weigh less?

If the area of a square has increased by a factor of 16, by how much has each side increased?