Archimedes's Principle
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Physics Class: 210
Lab section: B
Date Performed: 3-13-02
Date Submitted: 3-20-02
Lab Partner:
Sample Calculations

1. Weight = mass x 9.80 g/cm^3
W= 45g x 9.80 N
W= 44,100 dynes

2. Buoyant force (calculated) = weight in air – weight in water
BF = 44,100 dynes – 38710 dynes
BF = 5390 dynes

3. Volume of Water = radius^2 x length
V= (.63cm) (4.65cm)
V= 5.80 cm

4. Buoyant force (measured) = mass in air/ density
BF= (44,100 g) / (7.76 g/cm^3)
BF= 5684 cm^3

5. % difference = BF calculated – BF measured/ BF measured
% difference = 5390 – 5684 / 5684
% difference = 5.4 %

6. Density = Mass / Volume
Density = 45 g / 5.80 cm^3
Density =......

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Title: Physics Lab
Approximate Word Count: 913
Approximate Pages: 4 (250 words per double-spaced page)

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