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QUESTION
The cross-sectional area of the hose is A and the density of the water is p, The mass of the surfer plus the board is M, Then he turns 1ttJ:
The cross-sectional area of the hose is A and the density of the water is p, The mass of the surfer plus the board is M, Then he turns 1ttJ:= on the hose" (a) 5 points" If the velocity of the water is vo, and it reflects backward from the surfboard with the same speed, what velocity is required to lift up the surfer?
