Does a stretch spring and a box high on a shelf have potential energy

A satellite moves around the Earth in a circular orbit of radius r. What is the speed vi of the satellite?

Current can also be called a. voltage. b. electricity. c. moving charges. d. b. and c.

6. Is an object moving in uniform circular motion accelerating? Explain.

Pure substances can be classified as blank or compounds

If an atom has a mass number of 23, which of the following is always true? The number of protons in the nucleus does not equal the number of neutrons. The atomic number is less than 11. The atom is not an isotope.

When an atom loses an electron, the resulting particle is called a. an isotope b. a proton c. a cation d. an anion e. none of the above

Longitudinal waves compress the medium they travel though. One example of a longitudinal wave is a A) sound wave. B) ocean wave. C) infrared wave. D) ultraviolet wave.

When glow sticks were bent, Chemaicals inside reacted to produce a glow?

In addition to possibly releasing harmful chemicals in the environment, mining is considered A. the least dangerous job in the United States. B. the most dangerous job in the United States. C. the least lucrative job in the United States. D.

List some limiting factors that might limit the size of a population within its environment