Identical twin brothers standing on a horizontal bridge each throw a rock straight down into the water below. they throw rocks at exactly the same time but one hits the water before the other. how can this occur if the rocks have the same starting time?

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.

Based on this activity, is kinetic energy always transformed into potential energy?

Five structural isomers have the formula c6h14. where needed, draw the structure and give the iupac name of all five isomers.