changes in force and measure force‚ mass and acceleration‚ and examine their influence on motion. b: To investigate the relationship between the variables; mass‚ force and acceleration and determine an inertial mass through the use of a trolley‚ ticker-timer and set of slotted masses. Introduction: Newton ’s second law states "The acceleration of an object as produced by a net force is directly proportional to the magnitude of the net force‚ in the same direction as the net force‚ and inversely
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increase the velocity. Part B If the mass of the cart increases with a constant net force‚ then the acceleration would increase because the greater inertia of the object would cause the acceleration to decrease. Materials ticker timer‚ ticker tape‚ cart‚ masking tape‚ one 2-m board‚ marker‚ ruler‚ spring scale‚ three 100-g masses‚ two 1.0-kg masses‚ string‚ Procedure Part A: Acceleration and Net Force 1. Verify that the equipment you intend to use is functioning properly. 2. Measure the
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Procedure Building cart 1. The materials for the cart were gathered. - Shoebox (1) - Pole (2) [0.75cm radius] - Axle (2) [0.1cm radius] [0.3cm radius] - String - Wheels (2) [5.5cm radius] - CD (2) [6cm radius] - Thin stick - Pulley - Tape 2. The shoebox and the poles were measured and marked at places for drilling. 3. Four holes were drilled on the shoebox with electric drill. (Larger than the axles to reduce friction from the cardboard on the axles) 4. A hole was drilled near the
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The Dow Jones Industrial Average: What is it and where did it come from? Logan B. Bryant Dr. Ritchie – ABUS 478 University of South Carolina – Aiken Spring 2009 Dow Jones & Company (as it was called in the beginning) was founded in 1882 by Charles Henry Dow‚ Edward Davis Jones‚ and Charles Milford Bergstresser in a small basement office at 15 Wall Street in New York (dowjones.com). In May 1986‚ editor of the Wall Street Journal and founder of Dow Jones & Company‚ Charles Dow‚ first formulated
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known mass is attached to an air-cart on an air-track apparatus. Attached by string‚ the air-cart is pulled by the known mass when hung over a pulley. A spark timer will mark the motion at a frequency of 10 Hz (10 dots/s) on a strip of paper called ticker tape. The air-track will supply air through the apparatus to simulate a frictionless environment‚ enabling the system of masses to move without an applied force or a frictional force. This experiment will measure the motion of an air cart attached to
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LAB 05B Momentous Design Proposal name :sonia malini Date of investigation: 8 September‚ 15 September 2009 Date of submission: 29 September 2009 Purpose The main purpose of the experiment is to investigate validity of the conservation of linear momentum from three main different types of momentum‚ namely: head on collision of equal masses‚ head on collision on unequal masses and exploding carts. Theory In the 17th century‚ Isaac Newton was the one who realized that the momentum is conserved
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hour Lab Report I. Purpose The purpose of this lab is to investigate gravitational force on acceleration. II. Materials 1. Spark Paper 2. Spark Time 3. 350 Gram Weight 4. Ticker Tape III. Procedure 1. Measure 1 meter of spark paper. 2. Thread paper through spark timer and set timer to 60 Hz. 3. Tape 350 g weight to spark paper. 4. Turn on spark timer. 5. Drop weight from height of a desk (34 in). 6. Record the data. 7. Analyze and graph. IV. Results Time Displacement
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Dead or Alive? How average retail investors survive under the High Frequency Trading environment? Nowadays‚ the term “High frequency Trading” seems becomes more and more familiar to the investors. According to Telis Demos‚ 84% of all stock trades are by High Frequency computers and only 16% are done by human traders in United States (Telis‚ 2012). Trading by “real” investor is taking up the smallest share of US stock market volumes. According to the SEC‚” High Frequency Trading employs technology
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Ticker-Tape Timer: Finding “g” Tricia Mangan‚ Annie O’Brien‚ Abby Alexander‚ Allison Stenko Interpretations: 1. The time required for the objects with different masses to fall equal distances was equal. 2. The average speed of the two different masses was quite similar‚ within one tenth of a second of each other. 3. Yes‚ because physics theory says that objects free falling‚ where the only force acting on them is gravity‚ accelerate at the same rate no matter what their mass is.
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In computing‚ a keyboard is a typewriter-style device‚ which uses an arrangement of buttons or keys‚ to act as mechanical levers or electronic switches. Following the decline of punch cards and paper tape‚ interaction via teleprinter-style keyboards became the main input device for computers. A keyboard typically has characters engraved or printed on the keys and each press of a key typically corresponds to a single written symbol. However‚ to produce some symbols requires pressing and holding several
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