Duration: 3:49

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1

A stream of water flowing horizontally with a speed of 15 m s-1 gushes out of a tube of cross-sectional area 10-2 m2, 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) 1.25×103 N
(b) 2.25×103 N
(c) 3.25×103 N
(d) 4.25×103 N
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