Carolyn then calls her friend Chilly from the Super Cool Republic, where they use a different system of units. On their scale, the freezing point of water is 170, and the boiling point of water is 620. What should she say when Chilly asks her about the temperature in Rome

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.

What can you increase the strength of an electromagnet by

Suppose a soccer ball is kicked from the ground at an angle 20.0º above the horizontal at 8.00 m/s. the y-velocity is determined to be 2.74 m/s. how long will the ball be in the air? assume the ball lands at the same height at which it was kicked.