Construction of Paper-and-Pencil Test School: Kingston College Subject: Physics Grade: 11-1 Date: October 23‚ 2013 Duration: 2.5 hours INSTRUCTION TO CANDIDATES You are allowed ten (10) minutes to read the instructions and write your name‚ date and ID number on the answer sheets provided. Answer ALL questions in EACH section.
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Members :Prashant Patel Prince Raj Sayana Rehman Vinayak Soma MINI PROJECT TOPIC: Line follower robot using 8051. Line follower robots were one of the earliest automatic guided robots. They are able to follow a line marked on a contrasting background‚ usually a black line on a white
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Chapter 6 Network Optimization Problems Review Questions 6.1-1 A supply node is a node where the net amount of flow generated is a fixed positive number. A demand node is a node where the net amount of flow generated is a fixed negative number. A transshipment node is a node where the net amount of flow generated is fixed at zero. 6.1-2 The maximum amount of flow allowed through an arc is referred to as the capacity of that arc. 6.1-3 The objective is to minimize the total cost of sending
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Conductors and Insulators of Electricity A major reason electricity works is because of conductors. First metal‚ water‚ tall trees and tall items are good conductors because lightning is attracted to them. These materials have many mobile electrons. Metal is an easy substance for lightning to travel through so metals are good conductors. However‚ rubber is a bad conductor because lightning bounces off of it. A bad conductor is called an insulator. An insulator has a few mobile electrons. It is
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a wireless transmission system which has very less errors and maintenance. The hardware board contains microcontroller AT89c52 at the heart of the system. The microcontroller is interfaced with GSM Modem via MAX232 level convertor. It is used to convert RS232 voltage levels to TTL voltage levels and vice versa. The hardware also has a 64K EEPROM chip AT24C64. This EEPROM is used to store the timings and messages to be displayed. Hardware also contains a real time clock DS1307 to maintain track of
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produces a greater velocity increase above the wing than below the wing. The greater velocity increases the pressure differential on a cambered airfoil. The greater pressure differential on the airfoil will increase the magnitude of the aerodynamic force. SYMMETRIC AIRFOIL Increasing angle of attack on any airfoil causes the area of the streamtube above the wing to decrease. This produces a greater velocity increase above the wing than below the wing. The greater velocity creates a pressure
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Elder abuse is something that happens in every day society. In this paper you will find the history of elder abuse‚ the different types of abuse‚ case studies‚ statistical reports‚ and what can be done to improve the problem. Some may wonder why elder abuse even exists in a world that is supposed to love others. As people grow up they are taught to be kind and courteous to others‚ and to love one another. When elder abuse was first discovered in 1975 it was called the “granny battering” (Fulmer‚
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FIBER TO THE HOME: THE NEW EMPOWERMENT abstract: In order to offer future higher bandwidth applications‚ the choice for a fiber to the home (FTTH) network seems to be the best candidate. Still‚ as the full deployment of a new FTTH network involves tremendous civil works and costs‚ only the highly profitable areas‚ e.g. city centers‚ are currently being installed. With the installation of such FTTH networks‚ all involved parties stay with many questions. What will the future bring on demands from
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Any system operating at audio frequencies (20 to 20‚000 Hz) is called an Audio System‚ e.g. an intercom‚ music systems etc. Following diagram (fig.1.1) shows the main features of such an audio system; FIGURE 1.1: Main blocks of an audio system 1.1 Radio tuner: It receives radio signals and converts them into electrical signals. FIGURE 1.2 1.2 CD player: It converts music and sound recorded digitally on a compact disc (CD) into analogue electrical signals. A CD consists of two plastic layers with
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AIRSIDE & AIRFIELD -airport is a complex intermodal transportation facility: air‚ roads‚ rail‚ water (planes‚ cars‚ busses‚ boats‚ trucks‚ subways…) -airport provides air transportation services to people and cargo‚ and other services to aircraft like maintenance‚ fuel‚ catering‚ cleaning etc -remember the intense regulations? Airport related FAR’s: 71‚73‚75‚77‚91‚93‚95‚97‚99‚101‚103‚105‚150‚155‚157‚161 -airspace designation‚ air traffic & operating rules‚ environmental rules‚ funding rules‚ and
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