course phy 231 `q001 A straight line connects the points (3, 5) and (7, 17), while another straight line continues on from (7, 17) to the point (10, 29). Which line is steeper and on what basis to you claim your result?......!!!!!!!!...................................
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course phys 231 This ends the third assignment. ???~???P??w??
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15:11:06 `q001. There are 10 questions and 5 summary questions in this assignment. What is surface area of a rectangular solid whose dimensions are 3 meters by 4 meters by 6 meters?
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RESPONSE --> 108 confidence assessment: 2
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15:13:06 `q002. What is the surface area of the curved sides of a cylinder whose radius is five meters and whose altitude is 12 meters? If the cylinder is closed what is its total surface area?
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RESPONSE --> 120 confidence assessment: 2
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15:15:08 `q003. What is surface area of a sphere of diameter three cm?
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RESPONSE --> 36 confidence assessment: 3
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15:18:04 `q004. What is hypotenuse of a right triangle whose legs are 5 meters and 9 meters?
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RESPONSE --> 106 confidence assessment: 2
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15:20:13 12-31-2007 15:20:13 `q005. If the hypotenuse of a right triangle has length 6 meters and one of its legs has length 4 meters what is the length of the other leg?
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NOTES ------->
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assignment #003 003. Misc: Surface Area, Pythagorean Theorem, Density qa areas volumes misc 12-31-2007
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16:16:15 `q005. If the hypotenuse of a right triangle has length 6 meters and one of its legs has length 4 meters what is the length of the other leg?
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RESPONSE --> 52 confidence assessment: 2
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16:23:21 `q006. If a rectangular solid made of a uniform, homogeneous material has dimensions 4 cm by 7 cm by 12 cm and if its mass is 700 grams then what is its density in grams per cubic cm?
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RESPONSE --> 2.08 cubic cm confidence assessment: 2
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16:32:59 `q007. What is the mass of a sphere of radius 4 meters if its average density is 3,000 kg/cubic meter?
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RESPONSE --> 750 confidence assessment: 0
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16:37:30 `q008. If we build a an object out of two pieces of material, one having a volume of 6 cm^3 at a density of 4 grams per cm^3 and another with a volume of 10 cm^3 at a density of 2 grams per cm^3 then what is the average density of this object?
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RESPONSE --> 17 confidence assessment: 0
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16:39:26 `q009. In a large box of dimension 2 meters by 3 meters by 5 meters we place 27 cubic meters of sand whose density is 2100 kg/cubic meter, surrounding a total of three cubic meters of cannon balls whose density is 8,000 kg per cubic meter. What is the average density of the material in the box?
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RESPONSE --> confidence assessment: 2
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16:39:49 `q010. How many cubic meters of oil are there in an oil slick which covers 1,700,000 square meters (between 1/2 and 1 square mile) to an average depth of .015 meters? If the density of the oil is 860 kg/cubic meter the what is the mass of the oil slick?
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RESPONSE --> confidence assessment: 2
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16:42:09 `q011. Summary Question 1: How do we find the surface area of a cylinder?
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RESPONSE --> 2pi (radius)r (height)h + 2pir^2 confidence assessment: 3
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16:43:29 `q012. Summary Question 2: What is the formula for the surface area of a sphere?
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RESPONSE --> S = 4pir^2 confidence assessment: 3
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16:44:50 `q013. Summary Question 3: What is the meaning of the term 'density'.
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RESPONSE --> density is mass per unit volume d=m/v confidence assessment: 3
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16:48:55 `q014. Summary Question 4: If we know average density and mass, how can we find volume?
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RESPONSE --> mass/density=v confidence assessment: 2
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16:50:04 `q015. Explain how you have organized your knowledge of the principles illustrated by the exercises in this assignment.
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RESPONSE --> i used my knowlede of density, mass and volume and there formulas to figure out the answers to the problems presented confidence assessment: 2
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