Moment of Inertia and Rotational Motion Garret Hebert PHY 2311 Tues 1:00 garret.hebert@hindscc.edu Abstract: During this lab we will study what rotational Inertia is and how different shapes of masses and different masses behave inertially when compared to each other. We will specifically study the differences of inertia between a disk and a ring. We will use increasing forces to induce angular acceleration of both a disk and a ring of a certain mass. We will then then measure the differences
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Chilean Copper Mine Collapse BCOM/275 4/14/14 Randall Savely August 5 2010‚ 33 miners were trapped 2400 feet underground in a northern Chilean copper mine. For 17 days there was no way of knowing if any of the miners were still alive. A drill sent down by a rescuer came back with a message from the workers notifying them that they were all alive‚ but limiting in supplies. Rescuers then planned on sending supplies‚ such as‚ food‚ water‚ medicines‚ etc‚ expecting several
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Richmonde Zegbe CHM111 Anita Mohan 03-11-2013 Experiment: Chemical reactions‚ and Equations Materials: 3 mL of copper(II) sulfate solution. 5 mL of 6 M HCl piece of zinc wooden splint test tube Bunsen burner 3 mL of zinc chloride solution. pentahydrate distill water
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Pre Lab 1a. Hydrated compound: ionic compound which contain water molecules inside their crystal lattice. The water is not chemically bonded to the crystal in any way and can be extracted by heating the compound. 1b. Anhydrous compound: a compound without water. 2a. The dot means that there are water molecules present in the crystal lattice in a specific ratio. 2b. For every mole of copper sulfate‚ there are five moles of water. 2c. The molar mass of copper (II) sulfate is 159.61 grams/mol
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Penny Byrne is an Australian born artist. She was born in Mildura‚ Victoria‚ Australia. She lives in Melbourne and owns her own studio. She is interested in ceramics and works as a ceramics conservator. She did a bachelor of fine arts ceramics in Melbourne in 1987 and graduated from west Dean College in the UK after doing ceramics and glass conservation and restoration. She also did a bachelor of laws at La Trobe uni in Melbourne and uses her knowledge of political and social issues in her art.
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Chilean copper mine collapse Latasha Mcclure BCOM/275 September 26‚ 2012 Kwanis Nelson Chilean copper mine collapse On August 5 the Minera San Esteban Company regretfully announces that part of one of our mining sites has collapse. Leaving 33 of our workers trapped underground (Weik‚ 2010). It is not yet clear what caused the roof to collapse the company will launch a thorough investigation (Parry‚ Rettner‚ 2010). The Chile copper mine collapse is very stressful for all parties involved
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Chilean Copper Mine Collapse Sabrina Green BCOM/275 Week 4 Celeste Bajorek Chilean Copper Mine Collapse On Thursday‚ August 5‚ 2010‚ the collapse of one of the shafts in the Chilean copper mine left 33 workers trapped approximately 300 meters underground. Rescue efforts began at once‚ but just two days later another collapse in the mine halted the efforts of the rescue crews for many hours (Weil‚ 2010). With such a devastating situation‚ the company should take
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Period 12 Chemical Aspects of Life & Spit Lab ABSTRACT: The objective for the Spit lab was to test two different types of crackers for the presence or absence of starch and of reducing sugars. Also‚ to test the chewed cracker‚ the one that didn’t have a reducing sugar‚ for the presence or absence of a reducing sugar with the saliva in it. Adding on‚ another part of the objective is to determine the effect of amylase on starch. For the Chemical Aspects lab‚ the objectives were to test for the presence
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Flame Lab Objective: How an electron absorbs energy and re-emits it as light and why different elements have different spectra. Also to learn how to use flame tests to determine the identity of unknown mixtures. Hypothesis: We know that certain compounds will burn certain flame colors because they emit different wave lengths. Introduction: Neils Bohr made the “Bohr’s Model” in 1922‚ he found that electron travel in specified fields – which‚ when excited‚ will jump to different rings
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of the three metal cylinders and the copper wire‚ the mass of the metal cylinders and calculate the densities of the cylinders and comparison with the acceptable values. MATERIALS 1. Triple- beam balance 2. Micrometer 3. A ruler (inches and centimeters) 4. A roll of copper wire 5. Wire Cutter 6. Vernier Caliper 7. Electronic balance (to measure mass of copper wire) 8. Graduated Cylinder 9. Three cylindrical metals (brass‚ aluminum‚ copper‚ zinc‚ etc) 10. Irregular object (lead
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