If a stone with an original velocity of 0 is falling from a ledge and takes 8 seconds to hit the ground, what is the final velocity of the stone? a. 39.2 m/s b. 156.8 m/s c. 78.4 m/s d. 42.6 m/s

How does mass affect the speed of an object

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

What is the single most important equation in all of physics?