Which of the following paths, shown below, might light follow when passing from below water into the air?

If a tank filled with water contains a block and the height of the water above point a within the block is 0.8 meter, what is the pressure at point a?

Which graph represents motion with an object with positive velocity that is located at a position of 3 meters at a time of 0 seconds? a) a b) bb eliminate c) c d) d

Amagnetic field applies forces on: a)static chargesb)moving chargesc)water flow