with the public transit lost and found. While trying to make the hours go faster‚ Duncan looks through the items‚ especially the books and golf clubs. One day he discovers an unmarked journal with no name‚ which depicts sadistic animal torture experiments‚ boasts of arson fires‚ and the planning for the serial killings of three women. Duncan decides to make amends for his failure last summer by tracking down the owner of the journal by using clues left hidden in the diary. After talking with
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Discussions The first portion of this experiment was the standardization of 0.1 N KMnO4 solution. In determining the Normality of KMnO4 (FW=158grams/mol)‚ Na2Cr2O4 was used as the primary standard. Na2Cr2O4 was titrated with KMnO4 in three trials. The Normality of KMnO4 computed using the volume of KMnO4 obtained during the three trials on the titration with Na2Cr2O4. The mass of Na2Cr2O4 used (see appendix). The Normality obtained in each trial are slightly close with each other. This may be
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ORGANIC CHEMISTRY 1 LAB EXPERIMENT NO. 1 to 6 DISCUSSION EXPERIMENT NO. 1: Mel=ng Points And Boiling Points Of Organic Compounds Mel=ng Point -‐ temperature at which the liquid and solid are in equilibrium at a pressure of 1 atm Mel=ng Point Range -‐ determines the purity of a solid sample -‐ temp at
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Benjamin Libet’s free will experiment was an attempt to determine if humans have free will by measuring brain impulses compared to a subject’s determination of when he or she first wanted to act and the time it took the subject to act. The subject acted by bending his or her wrist. Libet wanted subjects to feel like they were in control and therefore did not attempt to force an action to occur. Brain impulses‚ initiated unconsciously‚ were recorded before the subject was initially aware of any intention
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The Speed of Toy Cars & Measuring Acceleration Introduction: The Speed of Toy Cars & Measuring Acceleration was investigated by using a ticker timer and changing the angle of the ramp. Changing the angle of the ramp affects the speed and acceleration of the trolley. The speed and acceleration of the trolley was determined by using the ticker timer. Aim: The aim of the practical is to investigate the motion and acceleration of a trolley by using a ticker timer and rolling the trolley down a ramp
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slowly revolving around its own centralized location. Specifically‚ what happens to the central object (the Sun)? It slowly revolves around its own central point. Can you explain why the central object moves? I would say that it is from gravitational pull. Everything has its own gravity. Everything exerts a pulling force on everything else. Thus‚ the sun exerts a force within the planet causing it to rotate. Does the planet orbit in a perfect circle? Is the sun at the center? Yes
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Uniform linear acceleration Introduction This topic is about particles which move in a straight line and accelerate uniformly. Problems can vary enormously‚ so you have to have your wits about you. Problems can be broken down into three main categories: Constant uniform acceleration Time-speed graphs Problems involving two particles Constant uniform acceleration Remember what the following variables represent: t = the time ; a = the acceleration ; u = the initial speed ; v = the final
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What is the direction of the acceleration vector for each of these situations? Remember that if an object speeds up‚ then the velocity and acceleration vectors are in the same direction. If an object slows down‚ then they are in opposite directions. Any object that is traveling in a vertical direction also experiences acceleration due to gravity. Left: Object travels to left and speeds up. Down: Object is tossed upward. A ball is tossed up into the air with a velocity of 50 m/s. The figure
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Chapter 6. Uniform Acceleration Problems: Speed and Velocity 6-1. A car travels a distance of 86 km at an average speed of 8 m/s. How many hours were required for the trip? [pic] [pic] t = 2.99 h 6-2. Sound travels at an average speed of 340 m/s. Lightning from a distant thundercloud is seen almost immediately. If the sound of thunder reaches the ear 3 s later‚ how far away is the storm? [pic] t = 58.8 ms 6-3. A small rocket leaves its pad and travels a
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Law of Acceleration (1907) by Henry Adams (1838-1918) Images are not arguments‚ rarely even lead to proof‚ but the mind craves them‚ and‚ of late more than ever‚ the keenest experimenters find twenty images better than one‚ especially if contradictory; since the human mind has already learned to deal in contradictions. The image needed here is that of a new center‚ or preponderating mass‚ artificially introduced on earth in the midst of a system of attractive forces that previously
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