1. 1. The illustration exhibits 2 electroscopes. The first one is neutral, and the second one has a positively charged object placed at the top near the metal pan. Notice it is not touching the pan. Why does the foil
inside the electroscope spread apart?

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

The statue of liberty is 305.5 feet high. when the angle of elevation of the sun is 50 , what is the distance to the tip of the shadow from a point at water level and directly below the highest point of the statue?

What is the frequency if a wave that pases a given pount 22 times in 2 seconds