Rank the following quantities in terms of their size - largest, smallest, and middlest.

400 centimeter
40 meter
0.4 kilometer

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

Which governments provide garbage collection services to homes and businesses

What is the role of lenses in microscopy?