Which element would have properties most similar to those of fluorine (F) ?

A) cholorine

B) oxygen

C) neon

D) lithium

What happens to an object when you increase or decrease its density

When is acceleration the greatest on a graph

3 examples of crystals

Blue light has a higher frequency than X-rays. (A) True (B) False

Scientific endeavor should only be pursued after known tradeoffs associated with the research have been considered. True False

A 58.0 kg snow skier is on the top of 351 m high hill. After she has gone down a vertical distance of 142 m, what is her mechanical energy? Explain your answer (CER) !

A sphere has a mass of 2.10kg and travels along a horizontal plane at the velocity of 12.2m/s. Find the energy

What is the force required to accelerate a baseball with a mass of 0.145 kilograms and an acceleration of 35.00 meters/second squared?

A 4.00 kg stone is dropped from a height of 145 m. What is the stone's potential and kinetic energy respectively when it is 50.0 m from the ground?

If the speed of a vehicle was reduced from 65 miles per hour to 35 miles per hour, by approximately how many kilometers per hour was the speed reduced? (1 kilometer = 0.62 mile, rounded to the nearest 0.01 mile)