1. A bunch of apples are hung on a spring scale to determine their mass. a) What is the force constant of the spring in such a scale if it the spring stretches 10.00 cm for a 14.0 kg load?

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