Why does the same side of the moon always face the earth?

What is a hadron? How does it relate to the atom.

Through how many volts of potential difference must an electron, initially at rest, be accelerated to achieve a wave length of 0.27nm? A) 4.6 V B) 0.046 V C) 0.27 V D) 4.6 MV E) 4.6 kV

A capacitor consists of two metal surfaces separated by an electrical insulator

Matthew was working with different concentrations of hydrochloric acid in the lab. Which of these would BEST describe the results Matthew would see if he was using a conductivity apparatus in each of the different acid concentrations?

4. The Cenozoic Era is also referred to as the A. First Era. B. Age of Dinosaurs. C. Age of Fish. D. Age of Mammals.

What THREE properties determine the speed at which a sound wave travels in a medium?

As a skydiver falls, the air is forced to move around him. What energy transformation does this cause? A. Potential energy from the skydiver becomes potential energy in the atmosphere. B.

On your way to the dance through there is some slow driving person in front of you so you slam on the gas going 30 mi/hr to 60 mi/he. Luckily your date brought a stop watch and told you the whole thing took place in 10s.

The sources of the heat inside Earth

A microwave is rated at 750 watts. How long will it take the microwave to do 5700 J of work on a cup of water? Assume 100% efficiency. A) 0.13s B) 2s C) 7.6s D) 4,275,000 s