I got one question for ya. Now are you lucky? Well are ya punk?!

How many seconds does it take a pebble released from rest off a bridge to fall 29.4 m ? what is the pebble's speed when it has fallen 29.4 m ?

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

Abowling ball rolling down the lane toward the pins has gravitational potential energy. a. no b. a lot of c. a little