What BAC is acceptable for teen drivers?

If you heat a gas so that collisions are continually bumping electrons to higher energy levels, when the electrons fall back to lower energy levels the gas produces A) thermal radiation. B) an absorption line spectrum. C) an emission line spectrum.

A car is on a circular off ramp of an interstate and is traveling at exactly 25 mph around the curve. Does the car have velocity? Yes No Does the car have acceleration? Yes No Is the car decelerating? Yes No

How much kinetic energy does a 2000 kg SUV traveling 31 m/s have?

A roller coaster with a potential energy of 235,200 J sits at the top of a 30 m high hill. What is the mass of the roller coaster? (Formula: PE = mgh)

1. A race car drives one lap around a race track that is 500 meters in length.

How Long will it take a plane flying north from Miami to reach New York City 1800 km away if the average velocity of the plane is 940 km/h

If vector A = 5.5N NE and vector B = 10m N 30° W, what is the vector product of A*B

Which is the best desciption of a molecule?

What are those that you are wearing?

What Science is/is not and How Physics and Chemistry are Connected