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O. A fisherman catches a fish and wishes to
weigh it, but does not have access to a
scale. He attaches a rope to the center of
a 60 cm long stick. To each end, he ties
his m4 kg tackle box and an M = 12
kg cooler. The fish balances the stick
when it is attached 15 cm from the tackle
box. What is the mass of the fish?
**
m
Rope
M

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