Product Testing & Verification Coursework Energy Absorbing Impact Zone Group Number: 3A Group Members: SBC-11-1021 673654 EE Da Wei (David) SBC-11-1022 673666 EE Zhang Minhui (Park) SBC-11-1028 673661 EE Wu Yifan (Jason) SBC-11-1027 673664 EE Xiang Qi (Aaron) Submission Date: Apr. 18th 2014 Contents Introduction………..…..………………...……………………...…….....3 Mind Map …………………………..………………………...……..…….6 Process Map ……………………..……………………………………..…7 Four Original Designs………..………………..…...………
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Romar M. Cabinta EXERCISES 15 WORK‚ ENERGY‚ AND POWER A. CONCEPTUAL QUESTIONS 1. Is work done when you move a book from the top of the desk to the floor? Why? Yes. It is because the displacement of the book from the top of the desk to the floor and the force that is applied to the book is parallel with one another. 2. State the law of Conservation of Mechanical Energy in two ways? The law of conservation of energy states that energy may neither be created nor destroyed.
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KINETIC ENERGY Objects have energy because of their motion; this energy is called kinetic energy. Kinetic energy of the objects having mass m and velocity v can be calculated with the formula given below; K=1/2mv² Kinetic energy is a scalar quantity; it does not have a direction. Unlike velocity‚ acceleration‚ force‚ and momentum‚ the kinetic energy of an object is completely described by magnitude alone. Like work and potential energy‚ the standard metric unit of measurement for kinetic energy is
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Action Potentials An action potential is the change in electrical potential associated with the passage of an impulse along the membrane of a muscle cell or nerve cell. An action potential occurs when a neuron sends information down an axon‚ away from the cell body. A threshold is the minimum amount of stimulation needed to start a neural impulse (you know‚ the electrical impulses that travel throughout your body carrying important information). Action potentials generated by neural impulses are
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ENERGY MANAGEMENT PRINCIPLES INTRODUCTION In the modern days energy has the significant role in our life. With development where we got comfortable life and much modern facilities where we got some problem with excessive use of energy resources as declining of energy sources‚ climate change. So it is an big challenge for present and future generations as the cost of energy increase and its supply decrease‚ older buildings needs to modified and new buildings designed to use less energy. The optimization
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MGH Evoked Potential Normative Values Pattern Shift Visual Evoked Potentials P 100 Latency (msec) Inter-eye difference (msec) P 100 Amplitude (µV) P 100 Amplitude % difference Mean 102.3 1.3 10.1 85.5% SD 5.1 2 4.2 10.50% Mean + 3 SD 117.6 7.3 N/A Notes (Smallest/Largest) 53.9% X 100 Brainstem Auditory Evoked Potentials Latencies (msec) I II III IV V VI Inter-wave latencies (msec) I-III I-V III-IV III-V IV-V V-VI Mean 1.7 2.8 3.9 5.1 5.7 7.3 SD 0.15 0.17 0.19 0.24
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measure the distance of the mass from our reference line and the horizontal distance of it from its original position and also we record the reading of the force in the spring balance. From those values we compute for the work and the gravitational potential energy of that table. For the work done we use the formula w=mg L 1-cosθ and
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My topic for the science fair project is "The effect of temperature in energy loss in a basketball". Some of my subtopics for my project include the pressure air and height in a basketball‚ the material a basketball is made out of and the size of the ball. Different sports require different size balls to correspond with the correct bounce it needs to be used during the sport. Thats why you would not be able to use a tennis ball to play basketball because it is too bouncy and a soccer
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Hydraulics – CIVL 2130 Conservation of Energy Aim The aim of this lab experiment is to observe the flow behaviour of water through a pipe of variable section. Firstly‚ we will investigate the interchange of pressure and kinetic energy at each diameter change. Secondly‚ we will study the application of this interchange to the flow metering devices. Lastly‚ energy losses due to friction and pressure effects are estimated. Experimental Apparatus [pic] Pre-lab Question Pressure varies
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Mechanical energy Mechanical energy is the energy that is possessed by an object due to its motion or due to its position. Mechanical energy can be either kinetic energy (energy of motion) or potential energy (stored energy of position). Introduction: We use a system consisting of two weights hanging at each end of a thin thread lying over a wheel. A photo gate is placed so that the light is interrupted by the spokes of the wheel. The data are recorded electronically and this makes it possible
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