*A pilot performs a vertical maneuver around a circle with a radius R. When the airplane is at the lowest point of the circle the pilot's apparent weight is 6 mg.
What is the acceleration of the plane at the lowest point?

Unpolarized light whose intensity is 1.19 w/ is incident on a polarizer. (a) what is the intensity of the light leaving the polarizer? (b) if the analyzer is set at an angle of = 41.0∘ with respect to the polarizer, what is the intensity of the light that reaches the photocell?

The two required components for a generator

If two students are running down the hall toward each other, trying to get to class, and they have the same mass and acceleration, what will happen when they collide? will their forces cancel out or will each one experience a reaction?