Two balls are at the same height and released at the same time. one ball is dropped and hits the ground 5 s later. the other initially moves horizontally. when does the second ball hit the ground?

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?

When does your body conduct current more readily?

What is the rate of 12 liters of water moving through a water hose in 4.0 minutes?