What happens to the sum of the balls kinetic energy and potential energy as the ball rolls from point to point assume theres no friction between the ball and the ground
The sum decreases
The singeses
The sumres the same
The sum always equals zero

The combining of light nuclei is called blank. blank as in not actually blank. you know what im tryin to say.

Two pans of a balance are 24.1 cm apart. the fulcrum of the balance has been shifted 1.33 cm away from the center by a dishonest shopkeeper. by what percentage is the true weight of the goods being marked up by the shopkeeper? assume the balance has negligible mass. answer in units of %.

Consider the phase change taking place in the picture. you could use all but one statement to describe what is happening here. that is: a) temperature is increasing. b) kinetic energy is increasing. c) the space between the particles remains the same. d) the attractive force between the particles is decreasing.