# Untitled Essay

628 words - 3 pages

Archimedes's Principle Submitted by: 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 = 7.76 g/cm^3 7. Volume of wood = length x width x height V = (7.62cm) (7.63cm) (3.86 cm) V = 224. 42 cm^3 Questions 2.) Because an overweight person displaces more fluid when stepping into a pool. By displacing more fluid, the person creates a greater buoyant force making it easier for him to swim.5.c) By placing a battery into the water with a floating rod into its deep cylindrical cavity it is quite easy to determine the condition of the battery. The diluted battery will have a much higher density than that of a highly charged battery. From the observation of how the battery floats you can tell its condition.8.) We were able to find the volume of displace water in Part II quite easily. First we placed a large tupperware container on the table and in it a smaller container filled to the top with water. When the block of wood was placed in the container, water fell out of the smaller container into the larger container. By placing the water which fell out of the smaller...

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