Carlotta notices that the words of a book are blurry, but a sign across the road is not. what might correct carlotta’s vision? a diverging lens, to fix her farsightedness a diverging lens, to fix her nearsightedness a converging lens, to fix her farsightedness a converging lens, to fix her nearsightedness

Afisherman notices that his boat is moving up and down periodically, owing to waves on the surface of the water. it takes a time of 2.70 s for the boat to travel from its highest point to its lowest, a total distance of 0.700 m. the fisherman sees that the wave crests are spaced a horizontal distance of 6.50 m apart. a. how fast are the waves traveling? b. what is the amplitude a of each wave?