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OpenStudy (anonymous):
MEDAL GIVEN TO CORRECT ANSWER. A water-balloon launcher with mass 2 kg fires a 0.75 kg balloon with a velocity of 14 m/s to the west. What is the recoil velocity of the launcher? A. 5.3 m/s east B. 8.0 m/s west C. 37 m/s east D. 3.8 m/s east
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OpenStudy (anonymous):
0.75 x 14m/s= 2kg x V V =5.3 m/s East because opp direction due to conservation of momentum
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