When you turn on a lamp, you can see everything in a room. Explain why you see the lamp. Then, explain why you see the other objects in the room.

Which simple machine is not part of this compound machine? a. lever b. pulley c. inclined plane d. wheel and axle

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

According to the image below, which season is about to begin in the southern hemisphere? a. summer b. autumn c. winter d. spring