On what basis are different photons to be distinguished?

A. Their energy levels

B. The atoms they come from

C. Their masses

D. Their speeds

State some properties of metals along with their importance

What is an electric circuit? O any path that allows electrons to flow O any material that can conduct electricity O a copper wire connected to a light O a copper wire

Do acids or bases turn litmus paper red?

Is an electron an antiparticle, boson, lepton, or hadron?

How do cells and atoms relate?

Why do marine west coast climates have much precipitation

Wright true or false: 1. A baseball has more momentum than a tennis ball traveling at the same speed. 2. A light ball has more inertia than a heavy ball 3. The less momentum a bowling ball has, the easier it is for that ball to knock down pins. 4.

The interference of two sound waves of slightly different frequencies produces

8. A force of 80 pounds on a rope is used to pull a box up a ramp inclined at 100 from the horizontal. The rope forms an angle of 330 with the horizontal. How much work is done pulling the box 25 feet along the ramp?

A raindrop has a mass of 5.4 * 10-7 kg and is falling near the surface of the earth. Calculate the magnitude of the gravitational force exerted (a) on the raindrop by the earth and (b) on the earth by the raindrop.