Plz answer these two questions. I am so sick. if u ddo it would mean a lot.

What is the approximate amplitude of this wave a.10 seconds b.15 centimeters c.30 centimeters d.15 seconds

Apebble is thrown into a calm lake, ripples are formed from the center and move outward. the water particles in the lake travel in a circular pattern that moves up and down on the surface of a lake, and the energy travels a) diagonally. b) downward. c) horizontally. d) upward.

The diagram shows four locations in the electric field of a positive point charge m. at which location is the electric potential the greatest.