If it took 125 seconds to complete 5 wave cycles, what is the period of the wave?

Question 1 options:

.05

.04

20

25

Light that is polarized along the vertical direction is incident on a sheet of polarizing material. only 96% of the intensity of the light passes through the sheet and strikes a second sheet of polarizing material. no light passes through the second sheet. what angle does the transmission axis of the second sheet make with the vertical?

True or false graphs must include scales that increase by the same amount

How do we measure or think of speed in the united states?