A tennis player places a 51 kg ball machine on a frictionless surface, as shown below. The machine fires a 0.067 kg tennis ball horizontally with a velocity of 33.4 m/s toward the north. What is the final velocity of the machine?
Can you please EXPLAIN how to get the answer?!
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Check answers to "related questions" below. Your numbers have changed a little. The method of solution is the same.
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