Ricky, mass 95 kg, and cathy, who is lighter, are enjoying lake mendota at dusk in a 20 kg canoe that is 3.0 m long. when the canoe is at rest in placid water, they exchange seats, which are at the ends of the canoe. ricky notices the canoe moved 30 cm relative to a submerged rock during the exchange and uses that to calculate cathy’s mass. what is cathy’s mass?
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Ricky, mass 95 kg, and cathy, who is lighter, are enjoying lake mendota at dusk in a 20 kg canoe tha...
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