Suppose you plug in two different devices into outlets (home outlets are all 120V). One is a hairdryer that uses 10 Amps, and the other is a lightbulb that uses 1Amp of current. What does
that tell you about the resistance of each device?
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

Compare the horizontal displacement of the two balls as they travel to the ground. what do you observe?

You can watch static electricity in action by rubbing an inflated balloon against your hair. your hair will actually stand on its end! it does this because each hair becomes charged, and they all repel one another.