#5. A rock is thrown straight down with an initial velocity of 14.5 m/s from a cliff. What is the
rock's displacement after 2.0 s? (Acceleration due to gravity is 9.80 m/s'.)

How would I get the answer

Are aliens real? justify you’re answer.

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.

Examine the equation. 23490th→23088ra+42he what kind of barrier would you need to block the radioactive particles from this reaction? a.a piece of paper b.a sheet of aluminum foil c. a two-inch block of lead d. a solid concrete block