LAW TONG &AIDEN 2013/9/23 AP PHYSICS B Mr. Moss THE LAB OF ATWOOD Procedure: The purpose of this experiment was to verify the predictions of Newton’s Law for an Atwood machine‚ a simple machine constructed by hanging two different masses and from a string passing over pulleys and observing their acceleration.. Newton’s Law predicts that the acceleration should be proportional to the difference between the masses and proportional to their sum‚ where = 9.8 m/s2 is the
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The Physics of Braking Systems By James Walker‚ Jr. of scR motorsports Copyright © 2005 StopTech LLC Author’s disclaimer: mechanical systems operating in the physical world are neither 100% efficient nor are they capable of instantaneous changes in state. Consequently‚ the equations and relationships presented herein are approximations of these braking system components as best as we understand their mechanizations and physical attributes. Where appropriate‚ several examples of limiting conditions
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HSC PHYSICS 2011 HSC PHYSICS 2011 PENDULUM MOTION BY NATHAN LOCKE Image taken from http://www.practicalphysics.org/go/Experiment_480.html Pendulum Motion Aim: To determine the rate of acceleration due to gravity by using a pendulum. Background Information: Equation One: T=2πlg Where T = the period of the pendulum (s). This is the time taken for the pendulum to return to its starting position. l = length of the pendulum g = the rate of acceleration due to gravity (ms-2) * In
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Cebu Institute of Technology – University Cebu City PHYSICS DEPARTMENT Physics 201 – G01/M02 Name/Course/Year: Noel S. Alvarez BSIT – II Date Submitted: November 29‚ 2012 Experiment No. 1 Group No./Time/Day: 3 / 12NN-3PM/Thurs MEASUREMENT‚ ERRORS AND DENSITY I. Objective: a. To know the principles of good measurement and to compare the precision and accuracy of some commonly used measuring devices. b. To study the types‚ causes and effects of errors in measurement
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Shanise Hawes 04/04/2012 Simple Harmonic Motion Lab Introduction: In this two part lab we sought out to demonstrate simple harmonic motion by observing the behavior of a spring. For the first part we needed to observe the motion or oscillation of a spring in order to find k‚ the spring constant; which is commonly described as how stiff the spring is. Using the equation Fs=-kx or‚ Fs=mg=kx; where Fs is the force of the spring‚ mg represents mass times gravity‚ and kx is the spring constant
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Fred Hrkac (46) Boston Scientific – former president for EMEA Bio: - bachelors in business - mcneil consumer products (jnj) sales rep. Tylenol - moved to jnj endosurgery - 1992 moved to Zagreb to start jnj‚ in 10 years reached 500mil USD sales - joined boston scientific in 2009 as pres‚ reported directly to CEO. Responsible for 2bil$‚ 25% of total - moved to paris‚ sorin group (decisions made by him in the office‚ small company) - retired a month ago‚ works on
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Serratus Anterior 1. ABDUCTION of Shoulder Girdle Joint 2. UPWARD ROTATION of Shoulder Girdle Joint Pectoralis Minor 1. ABDUCTION of Shoulder Girdle Joint Pectoralis Major 1. FLEXION of Shoulder Joint 2. HORIZONTAL FLEXION of Shoulder Joint 3. MEDIAL (INTERNAL) ROTATION of Shoulder Joint Rhomboid Minor 1. ADDUCTION of Shoulder Girdle Joint 2. DOWNWARD ROTATION of Shoulder Girdle Joint Rhomboid Major 1. ADDUCTION of Shoulder Girdle Joint 2. DOWNWARD ROTATION of Shoulder Girdle
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1. In The Sociological Imagination‚ Mills discusses personal troubles and social issues. Define both of these terms and discuss two examples of both personal troubles and social issues from a sociological perspective. According to Mills‚ personal trouble occurs within the character of the individual and within the range of his immediate relations with others: they have to do with his self and with those limited areas of social life of which he is directly and personally aware. A trouble is a private
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= m x g x h supports the fact that as height increases (keeping the mass constant) the energy stored‚ that is‚ the potential energy increases. So when the ball is released the energy stored inside the ball would get converted to kinetic energy of motion which collides with the clay slab resulting in a crater. Thus increasing the height increases the energy stored in the ball and so when dropped‚ more of the energy would be converted to kinetic energy as a result of which the velocity at which the
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Austin Vandermey GS-1140 April 4th‚ 2015 Experiment We as a society have one big problem on our hands. This problem is sleep deprivation because there are not enough hours in the day to get stuff done. Between work‚ school‚ family‚ and leisure it seems like we do not have enough time to get are daily tasks done let alone have time for sleep. It is recommended by the U.S Department of Health that people need a solid eight hours of sleep to maintain good health. I don’t know about you
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