If a block of aluminum measures 4.0 cm x 5.0 cm x 2.0 cm is completely submerged a tank of water, what volume of water does it displace? What is the mass of the displaced water?

Physics for Scientists and Engineers with Modern Physics
10th Edition
ISBN:9781337553292
Author:Raymond A. Serway, John W. Jewett
Publisher:Raymond A. Serway, John W. Jewett
Chapter38: Relativity
Section: Chapter Questions
Problem 38P
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Direction: Write the correct answer on the blanks. Inside the box are the possible answers.
pwater
= 1.0 g/cm3
pethanol=0.76 g/cm3
pmercury=13.6 g/cm3
pair = 1.20 kg/m3
PHe=0.18 kg/m3
Volume of a block: V=lwh
Density: p=m/V
Volume of a sphere: V-(4/3)Trr
Weight: Fg-mg
Net force: EF = ma
%3D
1. If a block of aluminum measures 4.0 cm x 5.0 cm x 2.0 cm is completely submerged
in a tank of water, what volume of water does it displace?
2. What is the mass of the displaced water?
3. What is the weight of the displaced water?
4. How large of a buoyant force acts on the block?
5. The mass of the aluminum block is 108 g. Determine its density.
Transcribed Image Text:Direction: Write the correct answer on the blanks. Inside the box are the possible answers. pwater = 1.0 g/cm3 pethanol=0.76 g/cm3 pmercury=13.6 g/cm3 pair = 1.20 kg/m3 PHe=0.18 kg/m3 Volume of a block: V=lwh Density: p=m/V Volume of a sphere: V-(4/3)Trr Weight: Fg-mg Net force: EF = ma %3D 1. If a block of aluminum measures 4.0 cm x 5.0 cm x 2.0 cm is completely submerged in a tank of water, what volume of water does it displace? 2. What is the mass of the displaced water? 3. What is the weight of the displaced water? 4. How large of a buoyant force acts on the block? 5. The mass of the aluminum block is 108 g. Determine its density.
6. If you release the metal block, will it sink, or will it float to the surface? Explain your
reasoning.
7. If the block was submerged in ethyl alcohol instead, would the tension in the string
be bigger or smaller?
Transcribed Image Text:6. If you release the metal block, will it sink, or will it float to the surface? Explain your reasoning. 7. If the block was submerged in ethyl alcohol instead, would the tension in the string be bigger or smaller?
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