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OpenStudy (anonymous):
14. A firecracker stuck into a 150 g apple explodes and sends five apple fragments in different directions. The vector sum of momenta 1, 2, 3, and 4 is found from a video of the event to have components px = 1.20 kg*m/s, py = 0.80 kg*m/s (with no other component). The mass of the fifth fragment is 0.050 kg. What is its velocity right after the explosion?
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