The ratio of the magnitude of the frictional force to the magnitude of the force holding two surfaces together is called the and its UNIT is

How do you tell if someone actually cares about you? and just say they do?

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

By what factor does the drag force on a car increase as it goes from 65 to 110 km/h?