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40. The density of ice is 917 kg/m3,
and the density of seawater is 1025 kg/m3. A swimming polar bear
climbs onto a piece of floating ice that has a volume of 5.2 m3.
What is the weight of the heaviest bear that the ice can support without
sinking completely beneath the water? |
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Draw free body diagrams for both bear and ice |
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Sum of forces on the bear
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Sum of forces on the ice gives |
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Weight of the ice can be found
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