Coefficient of restitution

Hello there! So, have you ever played with a ball before? When you throw a ball, it bounces back to you, right? The way the ball bounces back is what we call coefficient of restitution.

The coefficient of restitution is a fancy way of saying how bouncy something is. You may have noticed that some balls bounce higher than others. This is because the coefficient of restitution is different for each ball.

Now, let's imagine throwing two different balls, a really bouncy ball and a not so bouncy ball. When you throw the bouncy ball, it will come back to you really fast and bounces really high. When you throw the less bouncy ball, it will come back to you slower and bounces less high.

This difference of how high and how fast the balls bounce back to you is what we call the coefficient of restitution. It's like a score that tells us how bouncy the ball is.

In simple terms, the coefficient of restitution is like a measurement that tells us how bouncy something is. A high coefficient of restitution means that something is very bouncy, while a low coefficient of restitution means that something is not very bouncy.