(Someone help plz...) Gather data: Record the potential energy of the pendulum for each of the following sets of values for m, L, and g. Record the height (h) of the pendulum as well. (Because the pendulum’s pivot is 2 m above the ground, the height is equal to 2 meters – L meters.)

Afisherman notices that his boat is moving up and down periodically without any horizontal motion, owing to waves on the surface of the water. it takes a time of 2.20 s for the boat to travel from its highest point to its lowest, a total distance of 0.670 m . the fisherman sees that the wave crests are spaced a horizontal distance of 5.80 m apart. (a) how much is the wavelength? (b) find the period of the wave. (c) how fast are the waves traveling? (d) what is the amplitude a of each wave?