Your teacher pokes a hole in a paper cup and allows the water to drain. She then decides to design an experiment to create a mathematical model to see how the
amount of time she allows the cup to drain affects the volume of water in the
cup. What is a constant variable?

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?

Clothes dryer uses about 7 amps of current from a 240 volt line. how much power does it use?

Aturntable that spins at a constant 74.0 rpm takes 3.10 s to reach this angular speed after it is turned on. find its angular acceleration (in rad/s2), assuming it to be constant, and the number of degrees it turns through while speeding up.