Marcia ran at a speed of 3.50 meters per second. how fast was she running in kilometers per hour?

What happens to atoms and chemical bonds during a reaction?

It is may 5 and you are somewhere in the northern hemisphere. if you determine that the noon sun is 51 degrees above your southern horizon, what is the latitude of your location

Why is the energy that results from a roller coaster's position at the top of a hill referred to as potential energy?