What is a property of a mineral

Spend time observing or thinking about events that involve matter and energy. which events can you explain? which events can’t you 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

What is the measurement of how fast an object moves relative to a reference point?