Acup sits on a table. due to its position, the potential energy of the cup is 3.00 joules. ignoring frictional effects, if the cup falls off the table, how much kinetic energy will it have when it is halfway to the floor?

If the force applied to an object remains constant, is more power needed for the object to move faster ? explain

In a heat engine if 1000 j of heat enters the system the piston does 500 j of work, what is the final internal energy of the system if the initial energy was 2000 j? 1. write the equation 2.list out your known variables 3.plug the numbers into the equations 4.solve 5.write your solution statement that includes initial energy and final

The strong nuclear force acts over a small distance than the electrostatic force. true or false