Which of the following is NOT an example of acceleration? A car is traveling 33 km/h and slows down to 25 km/h.
B.
A car is driving straight at 50 mi/h.
A car is traveling 33 km/h and speeds up to 45 km/h.
A car is traveling 33 km/h north and turns east.

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?

You've already seen the value of 9.8 in this lesson. what's this value called? what quantity does it represent?

Acamcorder has a power rating of 20 watts. if the output voltage from its battery is 9 volts, what current does it use?