How useful is Bernoulli's equation? How restrictive are the assumptions governing its use? Here we give some examples. Consider the steady ... Lift is defined as the force acting on an airfoil due to ...

A red and a blue snooker ball both have a mass of 160 g. They collide with speeds and directions as shown in this diagram. The following steps show you how to calculate the velocity of the red ...

Calculate speed using the speed equation - speed ... now about the concept of motion and in particular, the idea of speed. What is speed? Well, let's think about an example.