How fast is a car going if it accelerates at 10m/s/s for 4 seconds

What is the rate of change in a objects position?

Hey student studies gravity using objects that have the same mass which two objects have the greatest gravitational force acting between them a. 100kg 1.0m 100kg b. 100kg 2.0m 100kg c. 100kg 2.0m 100kg big d. 100kg big 3.0m 100kg big

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