Water, of density 1000 kg/m3, is flowing in a drainage channel of rectangular cross-section. The width of the channel is 15 m, the depth of the water is 8.0 m and the speed of the flow is 2.5 m/s. At what rate is water flowing in this channel?
A) 2.0 × 105 kg/s
B) 2.0 × 103 kg/s
C) 3.0 × 105 kg/s
D) 3.0 × 103 kg/s
E) 3.0 × 102 kg/s
Answer: C
Physics & Space Science
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