Which of the following is the best example of a thermodynamically open system?

A. A locked ice chest

B. A sealed glass jar

C. A swimming pool

D. A coffee thermos

What is the momentum of a 2 kg ball traveling at 2m/s

As more lamps are put into a series circuit, the overall current in the power sourceA) increases. B) decreases. C) stays the same.

Ozone, O3 methane, CH4 oxygen gas, O2 All of these may be classified as A) ionic compounds B) covalent compounds C) inorganic compounds D) nonreactive compounds

A car moving due east increases its speed uniformly from 16 m/s to 32 m/s in 10.0 s. How far, in meters, did the car travel while accelerating?

What are scalar quantities

Why do we use average force while solving momentum problems? How is net force related to the momentum of the object?

If you had a positive 8 score on the sit-an-reach test you

65 million years ago there was a mass extinction that is best known for killing the dinosaurs. There was also a large deposit of dust that contained substances only found in asteroids.

Near which location in New York State would a geologist have the greatest chance of finding dinosaur footprints in the surface bedrock?

E=mc^2 solve for c E/m m/E sqrt (E/m) sqrt (m/E) E - m sqrt (E-m)