A toy water-rocket consists of an elongated plastic tank with a nozzle at one end (Figure P5.64).
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A toy water-rocket consists of an elongated plastic tank with a nozzle at one end (Figure P5.64). A hand pump is used to get pressurized air into the tank. If there is nothing but air in the tank, the performance is lackluster. If some water is put in the tank before it is pumped up with air, however, the flight is dramatically better. Why?
Data from Figure P5.64
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