What is the current in a series circuit that has two resistors (4.0 ohms and
7.5 ohms) and a power source of 9.0 volts?
A. 2.6 amps
B. 12 amps
C. 1.6 amps
D. 0.78 amps

An inclined plane wrapped around a metal shaft is a a. lever b. screw c. pulley d. wedge

Which of the following is not a characteristic of s waves? a. travel slower than p waves. b. cannot be detected in locations more than 105° from an earthquake’s epicenter. c. travel through solids and liquids. d. only affect coastal regions.

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?