Adriver is traveling east on a dirt road when she spots a pothole ahead . she slows her car from 14.0 m/s to 5.5 m/s in 6.0 s. what is the cars acceleration? show the formula and how to work it out. you!

Two polarizers are oriented at 40∘ to each other and plane-polarized light is incident on them. if only 16 percent of the light gets through both of them, what was the initial polarization direction of the incident light?