The return trip with the Celestine question for took 30 minutes longer than her trip east although her total time was still four hours what was your velocity in each direction

Answer quickly (15 points) a comet is approaching earth. describe earth’s gravitational pull as the comet gets closer to it. a. remain constant b. increase c. decrease d. reversed

Ais useful when you need a simple machine to you separate two things. a. lever b. screw c. pulley d. wedge

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?