GS 2 ps #35

[yjj8817]

35) A student observes that when an ice cube floats in a glass of water, part of the ice cube projects above the surface of the water. When the ice cube melts, the level of the water surface will:

1. go down slightly.
2. go up slightly.
3. remain the same.
4. change depending on the weight of the ice cube.

INCORRECT:

Your Answer: B
Correct Answer: C



Can someone explain this one?

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[texan2414]

Because the ice cube is already floating in water. It has already displaced volume of water equal to its weight so when it melts there's no NET change in water volume.
Archimedes principle is being applied here.

 

[yjj8817]

Ohh ok that makes sense thank you!

 

[SN2ed]

Thread closed. These types of questions belong in the MCAT Study Q&A forum only.