when you are at the top and the elevator is stopping. You will feel lighter because the elevator is accelerating downword, with gravity and your body in motion, according to one of Newtons laws, will continue in motion giving you somewhat of a free falling feeling.
1. Homework Statement
A cylindrical centrifuge of raidus 1 m and height 2 m is filled with water to a depth of 1 meter. As the centrifuge accelerates, the water level rises along the wall and drops in the center; the crossection will be a parabola.
a) Find the equation of the parabola in...