One property of most nonmetals is that they are a. shiny. b. poor conductors of electric current. c. flattened when hit with a hammer. d. solids at room temperature.

How do light waves behave compared to sound waves?

Air conditioners use the same principles as refrigeration in order to cool indoor environments.

Which of the following has the highest frequency? A. gamma raysB. UVC. IRD. microwaves

Which law explains a soccer player who kicks a ball with his foot and his toes are left stinging?

Fluorine-21 has a half-life of approximately 5 seconds. What percentage of the original nuclei would remain after 20 seconds

Define colloid and list two examples.

An earthquake 50km from a city produces P and S waves that travel outward at 5000 and 3000 m/s, respectively. Once city residents feel the shaking of the P wave, how much time do they have before the S wave arrives?

You throw a rock upwards; it rises and then falls back down. We know that the acceleration due to gravity is 9.8 m/sec2 near the surface of earth.

Wich process occurs in a human muscle when it is forced to make tap without oxegen

What type of waves do you think sunscreen our skin from cancer from?