7 87 A jet of water issues vertically at a speed of 30 feet

Last updated: 6/8/2023

7 87 A jet of water issues vertically at a speed of 30 feet per second from a nozzle of 0 1 square inch cross section A ball weighing one pound is balanced in the air by impact of water on its underside Find the height of the ball above the level of jet Take g 3 ft s Ans 4 6 feet