What is the resistance of a resistor if the potential difference across the resistor is 4.0 v when a current of 10.0 a flows through the resistor?

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?

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

For waves in the ocean, the medium of the waves is a. air b. water c. energy d. a passing boat