When scouts look at pitchers nowadays, they look for a big fastball. Someone who can bring it into the mid to high 90’s with a feel for pitching. It wasn’t always like this. Only a few years ago, ...

The only difference between velocity and speed is that velocity has a direction, and so is a vector quantity. Average velocity = \(\frac{\text{displacement}}{\text{time}}\) Displacement is the ...

Notice how the quantities above have both a size and a direction associated with them. The direction of a vector can be given in a written description, or drawn as an arrow. The length of an arrow ...