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A stream of water flowing horizontally with a sped of \( 15 \mathrm{~m} \mathrm{~s}^{-1} \) gushes out of a tube of cross sectuonal area \( 10^{2} \mathrm{~m}^{2} \), and hits a vertical wall normally Assuming that it does not rebound from the wall, the force exerted on the wall by the impact of water is
(a) \( 1.25 \times 10^{3} \mathrm{~N} \)
(b) \( 2.25 \times 10^{3} \mathrm{~N} \)
(c) \( 3.25 \times 10^{3} \mathrm{~N} \)
(d) \( 4.25 \times 10^{3} \mathrm{~N} \)
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