Oppositely charged parallel plates are separated by 5.56 mm. A potential difference of 600 V exists between the plates. (a) What is the magnitude of the electric field between the plates?
INC
(b) What is the magnitude of the force on an
ectron between the plates

Unpolarized light falls on two polarizer sheets whose transmission axes are at right angles. a third polarizer is placed between the first two so that its axis makes a 52-degree angle with the axis of the first polarizer. a) what fraction of the incident light intensity is transmitted through the first polaroid? b) what fraction of the incident light intensity is transmitted through the second polaroid? c) what is the angle of polarization of the light that enters the third polaroid? d) what fraction of the incident light intensity is transmitted through the third polaroid. e) what happens if the middle polaroid is removed?

Which of these metals are magnetic?

Abowling ball rolling down the lane toward the pins has gravitational potential energy. a. no b. a lot of c. a little