Two identical cars are driving directly toward each other with speeds of 50 mph and 60 mph. Find their combined speed if the collision is perfectly inelastic.

Who was the first scientist to measure speed as distance over time?

Lightning is an example of what phenomenon? a release of a large amount of energy an absorption of a large amount of energy a natural electric circuit a natural electric current

The energy produced as a result of this flow of electrons from atom to atom is called