The Moon always shows nearly the same face to Earth because . View Available Hint(s)for Part A sunlight always hits the same face of the Moon the Moon rotates once in the same amount of time that it takes the Moon to orbit Earth once the Moon rotates once in the same amount of time that it takes Earth to orbit the Sun once the Moon does not rotate

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?