A laser produces 20.0 mW of red light. In 1 hour, the laser emits 2.29 X 10^20 photons. What is the wavelength of the laser?

What is the name of the fine soil particles deposited by rivers?

Which of the following is a type of vaporization? a. melting b. freezing c. evaporation d. condensation

What is the main difference between geocentric and heliocentric models of the solar system

Why is it impossible for us to observe any furthur than 13.7 billion light years in the universe?

11. After an hour on the expressway, your passengers need to use the restroom and they want to get some food. As you approach the next exit, what color sign will you look for, and what type of information would you expect to see on that sign?

Which form of cell division creates the sperm and egg, resulting in half of the chromosomes as the other cells?

The effects on marijuana can last up to

A ball is dropped from an initial height and allowed to bounce repeatedly. On the first bounce (one up-and-down motion), the ball reaches a height of 32 inches. On each successive bounce, the ball reaches 75% of its previous height.

An inductor with an inductance of 3.50 H and a resistance of 8.00 Ω is connected to the terminals of a battery with an emf of 4.00 V and negligible internal resistance.

An example of a decomposition reaction is A. AB>A+B B. AX+B>A+BX C. A+B>AB D. AX+BY>AY+BX