How much time does it take for the water to go from the top to bottom 4.5 m/s 53m?

Which statement is true for light passing into a medium that is more optically dense than the first medium through which it past

Edward tolman explained the results of his study by theorizing that the rats were learning about the maze during every trial but they a. were agitated because other groups were getting reinforcement b. could not remember how to demonstrate it without reinforcement c. were not motivated to demonstrate it without reinforcement d. seemed to be too lazy to actually work without reinforcement

What property of an object determines its inertia?