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Eamcet Physics
1 st Year : Unit 3.1( Laws of Motion ) - Laws of Motion

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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

E. None of the above

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Correct choice: B

Explanation:

None

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Eamcet Physics 1 st Year : Unit 3.1( Laws of Motion ) - Laws of Motion

Eamcet Physics
1 st Year : Unit 3.1( Laws of Motion ) - Laws of Motion