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A beaker, filled to the very topwith water, weighs 15 N. A 300 g weight is...

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Physics

A beaker, filled to the very topwith water, weighs 15 N. A 300 gweight is carefully dropped intothe beaker. The water thatoverflows is wiped away and the beakerreweighed. It weighs 16.9 N.What is the densityof the weight? [Use g=9.8m/s2.]Hint: The netforce on the bottom of the beaker after the weight islowered tothe bottom is (the weight of the reduced volume of water)+ (300 gweight).

Thebeaker is refilled to the top withwater and a 100 g piece of woodof density 0.8 that of water iscarefully floated on the water.What volume of water overflows?


NOTE: The claim is that melting of Arctic sea-ice, includinglargeicebergs, does NOT increase sea-level, but that meltingofGreenland or Antarctic glaciers does increasesea-level.

Why areboth claims made in the NOTE correct?

Answer & Explanation Solved by verified expert
4.4 Ratings (955 Votes)
The initially filled beaker weighs 15N The 300g weight by itself would weigh 03 X 98294 N hence the combined weight of 152941794N However the beaker now shows a weight of 169N which would mean that 104 N or    See Answer
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