If we draw a graph between d (along x-axis) and F (along y-axis) and get a straight line horizontal to x-axis, then area under this straight line represents:
If one of the pipes has a much smaller diameter than the other and are placed horizontally then form both sides of Bernoulli's equation, we can drop the term
When two balls collide then after collision, they rebound with velocities less than the velocities before the impact, because a portion of K.E is lost in the form of
