Fill the rocket (2 liter bottle) with a small amount of water to use for a reaction mass, put the rocket onto the pump body and pressurize the rocket. When released, the water is expelled and the rocket is propelled up to 50 feet.
CAUTION! Do not launch the rocket towards the audience!
Probability of instructor getting wet is high.
This demo can be found in cabinet A on shelf 3 of the UCSD PUL Demo Room (WLH 2015).
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