A ball is thrown up with a speed of 20 m/s. How long is it in the air (up and down)? How high does it go?

An eagle is flying horizontally at 6.2m/a with a fish in its claws. It accidentally drops the fish. How much time passes before the fish’s speed doubles, and how much additional time would be required for the speed to double again?

A drowsy cat is looking at a window from across the room, and sees a flowerpot that sail first up and then down past the window. The pot is in view for a total of 0.54 s, and the top-to-bottom height of the window is 1.86 m. How high above the window top does the flowerpot go?

A brick falls from rest from the roof of a tall building. Two seconds later a ball is thrown vertically downward with a velocity 75 m/s at the brick. How far below the roof does the ball hit the brick?