A spring with hangs vertically next to a ruler. The end of the spring is next to the mark on the ruler. If a mass is now attached to the end of the spring, where will the end of the spring line up with the ruler marks?

A mass attached to the end of a spring causes it to stretch . If another mass is added to the spring, the potential energy of the spring will be

How high will a stone go if thrown straight up by someone who does of work on it? Ignore air resistance.

A car traveling at a velocity can stop in a minimum distance . What would be the car’s minimum stopping distance if it were traveling at a velocity of ?

A baseball has a mass of . If a high school pitcher can throw a baseball at , what is the approximate kinetic energy associated with this pitch?

A ball is about to roll off the edge of a tall table. What is its current potential energy?

A spring has a spring stiffness constant of . How much must this spring be stretched to store of potential energy?

When the speed of your car is doubled, by what factor does its kinetic energy increase?

A car rolling on a horizontal road has speed of when it strikes a horizontal coiled spring and is brought to rest in a distance of . What is the spring stiffness constant of the spring?