Ball 2 is in the water 20 cm above Ball 3. What is the approximate difference in pressure between the 2 balls

Unpolarized light whose intensity is 1.19 w/ is incident on a polarizer. (a) what is the intensity of the light leaving the polarizer? (b) if the analyzer is set at an angle of = 41.0∘ with respect to the polarizer, what is the intensity of the light that reaches the photocell?

Aman throws a football straight into the air. as it rises, it slows down. which type of energy is the football gaining?

If a stone with an original velocity of 0 is falling from a ledgeand takes 8 seconds to hoybthe ground whays the final velocity of the stone