3. Water in a very large cylindrical tank open to atmosphere with Dtank in diameter discharges into vacuum through a small nozzle at the bottom with diameter Dexit Neglecting friction and the unsteadiness of the flow, find the time required for the tank (height H) to get empty.

Which of the following is a homogenous mixture? o a. a toy box filled with toys o b. blood o c. trail mix o d. spaghetti and meatballs submit

Aball tossed vertically upward from the ground next to a building passes the bottom of a window 1.8 s after being tossed and passes the top of the window 0.20 s later. the window is 2.0 m high from top to bottom. what was the ball's initial velocity? the unit vector j^ is directed upward. how far is the bottom of the window from the launch position? how high does the ball rise above the launch position?

I’ve been stuck on this for a while