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Water is flowing a speed of $\;1.5 ms^{-1} \;$ through a horizontal tube cross - sectional area $\;10^{-2}m^{2}\;$ and you are trying to stop the flow by your palm . Assuming that the water stops immediately after hitting the palm , the minimum force that you must exert should be (density of water =$\; 10^{3}\;kgm^{-3}\;$).

$(a)\;15\;N\qquad(b)\;22.5\;N\qquad(c)\;33.7\;N\qquad(d)\;45\;N$

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