an orange ball is dropped off a 50-meter cliff at the same time a green ball is thrown horizontally off the same cliff. compare the time each ball takes to reach the ground below

Aknife blade is a(n) a. lever b. screw c. wedge d. inclined plane

What object a collides with object b and bounces back its final momentum is?

While standing outdoors one evening, you are exposed to the following four types of electromagnetic radiation: yellow light from a sodium street lamp, radio waves from an am radio station, radio waves from an fm radio station, and microwaves from an antenna of a communications system. rank these type of waves in terms of increasing photon energy.