Describe The path of the light ray that hits a mirror after passing through its focus: 1.) Its refracted through the mirror

2.) it hits the mirror and reflects back exactly the way it came in

3.) it reflects back through the focus

4.) it is reflected back parallel to the principal axis

Gasoline comes from petroleum, which is made from ancient living things. petroleum, therefore, contains a type of energy. a. heat b. nuclear c. biological d. chemical potential

Awater-filled u-tube manometer is used to measure the pressure inside a tank that contains air. the water level in the u-tube on the side that connects to the tank is 5 ft above the base of the tank. the water level in the other side of the u-tube (which is open to the atmosphere) is 2 ft above the base. determine the pressure within the tank.

Are good conductors of heat also good conductors of electricity? explain your answer.