What is the quality of a substance that hinders the flow of electrons through it; the ratio of the voltage to the electric current?

Comutator

Conductor

Insulator

Resistor

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 dot diagram represents the motion of the motorcycle as it moves from left to right

1kg of water needs to recieve 4200j of energy to go from 90 degrees to 91 degrees. what is the specific heat capacity of water? what are the units?