Which statement best describes a scientific law?
a. a description explaining an event
b. a feeling about why things happen in the world
c. a statement that describes an occurrence in the natural world
d. a statement that explains an observation

Alinearly polarized electromagnetic wave has an average intensity of 196 w/m^2. this wave is directed towards two ideal polarizers (in real polarizers, transmission is also effected by reflection and absorption). polarizer a is oriented with its transmission axis at an angle of θ_1=20.8∘ with the incident electric field. polarizer b has its axis at an angle of θ_2=63.0∘ with the incident electric field. what is the average intensity of the wave after it passes through polarizer a? what is the average intensity of the wave after it passes through polarizer b? suppose that the two polarizers a and b are interchanged. what would the average intensity be after passing through both polarizers?

Asystematic approach to problem solving is called a (an)

If a simple machine reduces the strength of a force, what must be increased?