Which type of energy do you always have at the top of the first hill on a roller coaster?

What are the factors that affect the resistance of a wire?

Aball has an initial velocity of 3 m/s. if there is no friction, what is the highest it could roll?

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