when forces on an object are acting in the same direction, how do you add them together to find the net force?

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

J. j. thomson’s experiment disproved the theory that an atom

The diagram shows four locations in the electric field of a positive point charge m. at which location is the electric potential the greatest.