Two people on skateboards, Brian and Amy, push off from each other. Brian has more mass than Amy. Who experiences a larger force?

When many atoms are split in a chain reaction, a large explosion occurs. this is an example of what type of energy conservation

Diamond will scratch quartz. true or false

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