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A fat hose pipe is held horizontally by ...

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

push forward twice as hard

B

push forward four times as hard

C

push forward eight times as hard

D

push backward four times as hard

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The correct Answer is:
B
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AAKASH SERIES-LAWS OF MOTION-EXERCISE - I
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