g A 50-g ball of clay traveling at speed 5.5m/s to the left hits and sticks to a 1.5 kg brick move with speed 0.5 m/s to the right at a frictionless surface. (a) What is the speed of the brick after the collision (as a function

some think that theories become laws, but theories and laws have separate and distinct roles in the scientific method. a law is a description of an observed phenomenon in the natural world that hold true every time it is tested. it doesn't explain why something is true; it just states that it is true.

e/c, where e is its total energy