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Grade: 9

                        

Water is flowing in a river at 2.5m/s. The river is 40 m wide with an average depth of 6.0m. Compute the power available from the water current (PLEASE GIVE PROCESS)

6 years ago

Answers : (1)

Manas Satish Bedmutha
22 Points
							Consider time of 1 second.
Volume of water flown = 6.0 x 40 x 2.5 = 600 m^3.
Knowing density of water = 1000 kg/m3,
Mass of water flowing = Vol. x Density = 600000 kg
So, KE possessed by it = 0.5 x 600000 x 2.5 x 2.5 = 1875000 J.
Hence power = Energy / Time = 1875000 / 1sec. = 1875000 W
						
6 years ago
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