Asmall spotlight mounted in the bottom of a swimming pool that is 5.0 m deep emits light in all directions. on the surface of the pool, directly above the light, the area illuminated is a circle. determine the maximum radius of this circle. the index of refraction of water is 1.33.

Tafari worked one summer on a ship that set weather buoys in the ocean. he watched how one of the buoys moved in the water. describe which parts of the wave would cause the buoy to bob up and down. which wave property determined how fast the buoys bobbed in the water? he observed that when the wind blew harder, the ocean waves were larger, and the buoys moved away from the ship. what effect, if any, did the waves have on how far the buoys moved? explain your answer.

Avoltaic cell converts chemical energy to

Anika asks eva to roll a basketball and then a bowling ball to her. which requires more force to roll, and why?