A fat hose pipe is held horizontally by a fireman. It delivers water through a constricting nozzle at 1 litre/sec. If by increasing the pressure, the water is delivered at 2 litre/sec, the fireman now has to

A fat hose pipe is held horizontally by a fireman. It delivers water t

1.	A fat hose pipe is held horizontally by a fireman. It delivers water through a constricting nozzle at 1 litre/sec. If by increasing the pressure, the water is delivered at 2 litre/sec, the fireman now has to
Answer» push forward twice as HARD push forward four TIMES as hard push forward EIGHT times as hard push backward four times as hard ANSWER :B