You are running Northeast at a speed of 4m/s what component of your velocity is north? How about east?

Which quantities are scalars? choose all that apply a. distance b. speed c. acceleration d. velocity

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?

Suppose astronomers built a 140-meter telescope. how much greater would its light-collecting area be than that of the 10-meter keck telescope? express your answer using two sign