Characteristics and Nature of Waves In physics‚ a wave is a disturbance that travels through space and time‚ usually accompanied by the transfer of energy. Waves travel and the wave motion transfers energy from one point to another‚ often with no permanent displacement of the particles of the medium—that is‚ with little or no associated mass transport. They consist‚ instead‚ of oscillations or vibrations around almost fixed locations. For example‚ a cork on rippling water will bob up and down
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author who wrote with a dark interest. His poems and short stories have been intriguing readers for many years‚ and still continue to open new perspectives to writing. “The Tell-Tale Heart”‚ “The Fall of the House of Usher”‚ and “The Pit and the Pendulum” are only three of his numerous works. Within these three stories there are deeper meanings that can be brought about through historical criticism and eco-criticism. “The Tell-Tale Heart” holds a story that is based off of one term‚ the “evil eye”
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the time period of a pendulum Aim: To investigate the factors affecting the time period of a pendulum. Introduction: The time period of a pendulum is the time taken for the pendulum to swing from the first position‚ A‚ through positions B and C and back to position A again. [pic] Many factors can affect the time period of the pendulum. These factors are: length of string‚ angle from which the pendulum is dropped‚ the air resistance and the weight of the pendulum. In this experiment I
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Physics 1 – Mechanics and Heat Lecture Notes Prepared by: ENGR. HAROLD JAN R. TERANO‚ ECE Lesson 5 ROTATIONAL KINEMATICS AND DYNAMICS Uniform Circular Motion – an object moves at a constant speed along a circular path. Velocity is always tangent to the path in circular motion. Speed is constant‚ velocity is not. Centripetal Acceleration‚ – acceleration that maintains the object along a circular path directed towards the center. Also called as radial acceleration
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Foucault’s Pendulum In 1851‚ a French physicist named Jean-Bernard-Leon Foucault suspended an iron ball with a radius of approximately 0.5 feet from the ceiling of the Pantheon in Paris with a wire that was over 200 feet long. The ball was used as a pendulum‚ and it could swing more than 12 feet back and forth. Beneath the ball he placed a circular ring with sand on top of it. Attached to the bottom of the ball was a pin‚ which scraped away the sand in its path each time the ball went by. To get
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ATOMIC PHYSICS The nuclear atom All matter is made up of atoms which consist of a central nucleus‚ surrounded by electrons. Inside the nucleus are protons and neutrons. Particle Relative mass Charge Location Proton 1840 + Nucleus Neutron 1840 0 Nucleus Electron 1 - Outside nucleus Proton or atomic number (Z) This is the total number of protons in the nucleus of an atom. Nucleon or mass number (A) This is the total number of protons and neutrons in the nucleus of an atom. Note: a nucleon
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Physics “FORMULAS LIST “ | | | | | | | Quantity |Symbol |Formula | |% Error | |% Error = ( |A-M| ) x 100 /A | |% Uncertainty | |% Uncertainty = (Uncertainty
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Lecture Outline Chapter 2 Physics‚ 4th Edition James S. Walker Copyright © 2010 Pearson Education‚ Inc. Chapter 2 One-Dimensional Kinematics Copyright © 2010 Pearson Education‚ Inc. Units of Chapter 2 • Position‚ Distance‚ and Displacement • Average Speed and Velocity • Instantaneous Velocity • Acceleration • Motion with Constant Acceleration • Applications of the Equations of Motion • Freely Falling Objects Copyright © 2010 Pearson Education‚ Inc. 2-1 Position
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DEOGRACIAS P. PRINCESA MEMORIAL HIGH SCHOOL Ranao – Ranao‚ Ligao City LONG TEST IN SCIENCE IV (PHYSICS) MULTIPLE CHOICE. Read each item carefully and write the letter of the BEST answer in your answer sheets. 1. What is needed for sound to spread and travel? a. Force b. Medium c. Wires d. Sound wave 2. All of these are media in which sound waves can travel EXCEPT a. Solid b. Liquid c. Gas d. Vacuum 3. Why do people in upland areas speak louder than the normal voice
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Raymond Ye Mr. Pettibone IB Physics 2 November 2013 Internal Assessment DESIGN Aspect 1: How does the time a rubber band spends stretching a force of 12.5 N affect the force required to break/snap the rubber band? IV- The time spent stretching the rubber band 12.5 N DV- The force required to break/snap the band Units for Independent Variable- Minutes Units for Dependent Variable- Newtons Aspect 2: Variables that will be kept the same include: -The force of the stretch -Conditions
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