Physics, 30.07.2019 20:30, ruby562

Awater-balloon launcher with mass 4 kg fires a 0.5 kg balloon with a velocity of 3 m/s to the east. what is the recoil velocity of the launcher?

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Awater-balloon launcher with mass 4 kg fires a 0.5 kg balloon with a velocity of 3 m/s to the east....