The photo shows a pencil in water. as light passes from water into glass, it changes direction causing you to see a distorted view of the pencil. what statement about light traveling through water and glass is also true? a. water and glass absorb different amounts of light. b. light changes color as it passes from water to glass. c. light travels at different speeds in water and in glass. d. light must be perpendicular to the surface to pass from water to glass.

Aperson gives a shopping cart an initial push along a horizontal floor to get it moving, and then lets go. the cart travels forward along the floor, gradually slowing as it moves. consider the horizontal force(s) on the cart while it is moving forward and slowing. which of the following statements is correct? (a) both a forward and a backward force are acting on the cart, but the forward force is larger. (b) only a forward force is acting which diminishes with time. (c) both a forward and a backward force are acting on the cart, but the backward force is larger. (d) only a backward force is acting, no forward force.