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Ask iit jee aieee pet cbse icse state board community Community Discussion Question: CONSERVATION OF MOMENTUM
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[Post New]25 Apr 2008 15:07:58 IST
    Subject: CONSERVATION OF MOMENTUM
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donnowatnametochoose (34)

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Olaaa!! Perrrfect answer. 6  [8 rates]
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A flat hose pipe is held horizontal by a fireman.It delivers water through a constricting nozzle at one litre/sec.If by increasing the pressure the water is delivered at 2lit/sec the fireman now has to push hard foward / backward by how many times. 
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[Post New]25 Apr 2008 15:58:23 IST
    Subject: CONSERVATION OF MOMENTUM
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harshar1 (15)

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Olaaa!! Perrrfect answer. 3  [3 rates]
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M1=1kg/s; m2=2kg/s
v1=1/1000A; v2=2/1000A
F1=M1*v1=1/1000N
F2=m2*v2=4/1000
F1/F2=1/4
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