Suppose you defined " positive" motion as motion westward. What would be the person's total velocity?

Asimply means that over time there was some sort of change.

Which boundary is associated with the building of the himalaya mountains? convergent transform divergent hot spot

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?