A bullet was fired vertically up into the air at a velocity of 36meter per second. After4seconds, the bullet hit the top of a building. How is high is the building? g=10meter per second square .

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.

If two students are running down the hall toward each other, trying to get to class, and they have the same mass and acceleration, what will happen when they collide? will their forces cancel out or will each one experience a reaction?

Metals are good conductors of electricity because they