Determine the electrical force of attraction between two balloons that are charged with the opposite type of charge but the same quantity of charge. The charge on the balloons is 1.2 x 10-8 C and they are separated by a distance of 0.40 m. 2. Determine the electrical force of attraction between two balloons that are charged with the opposite type of charge but the same quantity of charge. The charge on the balloons is 6.5 x 10-7 C and they are separated by a distance of
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Space Definitions Field Vector A field vector is a single vector that describes the strengths and direction of a uniform vector field. For a gravitational field‚ the field vector is g Weight Weight is defined as the force on a mass due to the gravitational field of a large celestial body such as the Earth Gravitational Potential Energy Gravitational Potential Energy is the energy of a mass due to its position within a gravitational field. On a large scale GPE is defined as the work done
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Cover page Course Code & Name: Engineering Science Title: Oscillations of a pendulum with a yielding support Instructor: Mr. Imran khan Cohort: Full Time Student Name & ID: Kyle Rigsby 68891 Date: 11/19/2014 Title page Oscillations of a pendulum with a yielding support Abstract Intent: The goal was to investigate the time taken for the pendulum to oscillate for a time period. Results: Table of Content Objectives i) Tie the end of a thread to a hole in the end of
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Next would be how you hold the guitar while sitting or standing. This is a very simple technique and very hard to do incorrectly. The back of the guitar will be flush against your midsection. If the guitar covers most of your torso‚ then it may be too big. If it is too big‚ it will be difficult to play smoothly. Now that you know how to hold the guitar‚ and where to put your hands‚ you should know how to put the strap on the guitar‚ simply referred to as “strapping the guitar”. Both ends of the strap
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static friction | Average peak static friction(N) | | | Trial 1 | Trial 2 | Trial 3 | | .0835kg | .82N | .59 | .50 | .53 | .54N | .3335kg | 3.3N | 1.7 | 1.26 | 1.42 | 1.46N | .5835kg | 5.7N | 2.19 | 2.91 | 2.45 | 2.516N | .8335kg | 8.2N | 4.1 | 3.34 | 3.78 | 3.74N | 1.0835kg | 10.63N | 5.14 | 3.94 | 4.06 | 4.38N | Total mass(m) | Normal force (N) | Kinetic friction | Average kinetic friction(N) | | | Trial 1 | Trial 2 | Trial 3 | | .0835kg | .82N | .238 | .26 | .249 | .249N
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只限閱卷員參閱 FOR MARKERS’ USE ONLY May 4‚ 2012 香港考試及評核局 HONG KONG EXAMINATIONS AND ASSESSMENT AUTHORITY 2012 年香港中學文憑考試 HONG KONG DIPLOMA OF SECONDARY EDUCATION EXAMINATION 2012 物理 香港中學文憑考試 試卷一乙 PHYSICS HKDSE PAPER 1B 本評卷參考乃考評局專為今年本科考試而編寫，供閱卷員參考 之用。閱卷員在完成閱卷工作後，若將本評卷參考提供其任教 會考班的本科同事參閱，本局不表反對，但須切記，在任何情 況下均不得容許本評卷參考落入學生手中。學生若索閱或求取 此等文件，閱卷員/教師應嚴詞拒絕，因學生極可能將評卷參 考視為標準答案，以致但知硬背死記，活剝生吞。這種落伍的 學習態度，既不符現代教育原則，亦有違考試著重理解能力與 運用技巧之旨。因此，本局籲請各閱卷員/教師通力合作，堅 守上述原則。 This marking scheme has been prepared by the Hong Kong
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Global History Regents Review Unit 1: The Ancient World Section 1: Early Peoples and River Civilizations Nomads – people who moved from place to place‚ hunting and gathering their food. Paleolithic people were nomads. Their simple social structure consisted of small groups of people who traveled together. Cultural Diffusion – the exchange of ideas‚ customs‚ and goods among cultures. Cultural diffusion occurs through trade‚ warfare‚ and migration. Neolithic – the New Stone Age in which planting
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Planck’s constant‚ work function‚ stopping potential 1. Introduction The emission of electrons in a solid surface such as metals when electromagnetic (EM) radiation (e.g. light) hits its surface is called photoelectric effect. This phenomenon was discovered in 1886 by Heinrich Hertz and was investigated further by Wilhelm Hallwachs and Philipp Lenard [1‚ 2] using a circuit similar to Figure 1. [pic] Figure 1. A circuit for a photoelectric effect experiment. When enough
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Title Experiment with a spiral spring (Oscillation) Objective 1. To show how the time of vertical oscillation depends on the load 2. To determine the spring constant 3. To determine the effective mass of the spring Introduction In this experiment‚ it is to show how the time of vertical oscillation depends on the load‚ to determine the spring constant and to determine the effective mass of the spring. An ideal spring is remarkable in the sense that
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Physics of a Light Bulb Catherine Bellet Lab Partners: Natalie Russell Alex Harris TA: Chad Lunceford PHY 114 TH @ 2:25pm Abstract: Ohm’s law states‚ via the equation V=I*R‚ that the voltage found across a piece of material is proportional to the current. If the temperature remains constant therefore the resistance is found to remain constant. Stefan-Boltzmann law states that when the temperature if above an average of 1000K‚ then the relationship of voltage and current should be found
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