A2-kg ball b is traveling horizontally at 10 m/s when it strikes 2-kg ball a. ball a is initially at rest and is attached to a spring with constant 100 n/m and an unstretched length of 1.2 m. knowing the coefficient of restitution between a and b is 0.8 and friction between all surfaces is negligible, determine the normal force between a and the ground when it is at the bottom of the hill.
increasing transnational kinetic energy. because the transnational kinetic energy formula consists of only two variables, mass and velocity, increasing one of those properties is the only way to increase an object's transnational kinetic energy. increases to mass and velocity, however, do not have the same impact.
jupiter is the largest planet in our solar system, having a mass and radius that are respectively, 318 and 11.2 times that of earth. suppose that an object falls from rest near the surface of each planet and that the acceleration due to gravity remains constant during the fall. each object falls the same distance before striking the ground. determine the ratio of the time of fall on jupiter to that on earth.