Does sound travel faster in a warm room or a cold room? Explain ur answer?

Which example most effectively illustrates the dual nature of light? a. cameras that use photographic film b. solar panels c. radio antennas d. burglar alarms Must be sure about your answer

How much current is flowing through a circuit that requires 30 w of power from a 12 v battery? a. 0.4 a b. 4 a c. 2.5 a d. 360 a

In the scientific method, the analysis step uses data from?

Why is it that when the moon is farthest away from the sun, its the brightest? shouldn't it be the darkest if the earth's shadow blocks out the moon most of the time?

If a bar magnet is cut 3 times resulting in 4 smaller magnet pieces, then each new magnet will have * A. only a N pole B. only a S pole C. both a N and S pole D. neither a N nor a S pole

An atom with 19 protons and 18 neutrons is an

Where does the "2" come from in the expression for paverage? why is there no time dependence? } questions 55 - 56 consider alternating current. 55.

Indicate whether the statement is true or false. A scientific fact is something that is absolute and unchanging.

What is common to all light sources, including incandescent, fluorescent, neon, halogen, laser, and sodium-vapor devices?

Total peripheral resistance is related to all of the following except the