Two girls go fishing in row boat joy whose mass is 65kg, Ask an Expert

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two girls go fishing in row boat. joy whose mass is 65kg jumps straight off the front of the boat with speed of 2.00m/s relative to boat, while megan proples her 68 kg body off the back of the boat at 4.00m/s relative to the boat. if the 100kg boat is traveling forward at 3.00m/s, what is its velocity after both girls jump?

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