" Factors affecting the speed of sound in a medium" Type of the medium- The speed of sound is not always the same. Remember that sound is a vibration of kinetic energy passed from molecule to molecule. The closer the molecules are to each other and the tighter their bonds‚ the less time it takes for them to pass the sound to each other and the faster sound can travel. It is easier for sound waves to go through solids than through liquids because the molecules are closer together and more tightly
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METHODOLOGY: LASER BASED SPEED SENSOR The methodology of our project is shown in the block diagram in fig 1.1 . LCD DISPLAY MOTOR DRIVER MOTOR INPUTS MCU MOTOR CONTROLLER Fig 1.1: Block Diagram of DC Motor Speed Control 1. INPUTS: User defined or user desirable speed are fed to the MCU block or microcontrller through numerical keyboard. 2. MCU: The main controlling unit which takes as well as sends signal to control the speed of the motor and displays
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With this ticket I have learned that it is not okay to speed. You should always pay attention while driving no matter how experienced you are. You never know what could happen. There is no need to travel at a faster speed than the one that is set by the law. I have learned that you don’t need to rush to get places. You will get there eventually. I don’t need to be in such a hurry going places. Speeding does not help you get anywhere faster. All speeding does is increase your chances of injuries
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22311963 GENERATION OF ELECTRICITY WITH THE USE OF SPEED BREAKERS Piyush Bhagdikar‚ Shubham Gupta‚ Navneet Rana‚ R. Jegadeeshwaran School of Mechanical and Building Sciences‚ VIT University Chennai Campus‚ Vandalur - Kelambakkam Road‚ Chennai 600127‚ India. ABSTRACT In this paper we are trying to utilize one such source. Electricity is generated by replacing the traditional speed breakers with some simple mechanism. As vehicles pass over the speed breakers‚ they spin the rollers which are connected
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The speed of chemical reactions – class experiment By Julia Shuker Year 10 science – Miss Phillips – Term 2 – 2013 – Julia Shuker Aim The aim of the experiment was to investigate the factors that increased or decreased the speed of chemical reactions between two different chemical reactions. Hypothesis If certain factors‚ such as concentration‚ temperature‚ catalyst and surface area are increased then the reaction rate will also increase due to the particles
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Samantha Mackey 13. 2nd hour PHYSICS LAB REPORT: SPEED OF SOUND Purpose: In this lab‚ we will be doing 3 major things: 1) Collecting and organizing data to obtain resonant points in a closed pipe‚ 2) measure the length of a closed-pipe resonator‚ and 3) analyze the data to determine the speed of sound. Procedure: 1. Fill the graduated cylinder nearly to the top with water‚ with a tall glass tube open at both ends (the water level with act as the closed end). 2. Determine
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400 Trials Distance (cm) Time (s) Average Speed (cm/s) 1 100.0 cm (first section) 1.01 99.0 2 100.0 cm (second section) 1.12 89.3 3 100.0 cm (third section) 1.27 78.7 4 400.0 cm (entire section) 2.97 134.68 Questions: 1. Use your data from Table 1 to calculate (to the nearest tenth of a cm/s) the average speed of the ball for each trial. Record your answers in Table 1. Be sure to include Table 1 when you submit this assessment. 2. Why are the speed values in Table 1 called "average" instead
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Speed Scandal Speed Scandal directed by Hyeong Cheol Kang delivered a heart warming‚ crafty humorous family film‚ which captured all audiences’ heart in 2008. Digging deeper into the film and analyzing the examples of family values and celebrity social status‚ Speed Scandal effectively shows the authentic Korean pop culture and how they are highly valued in Korean society. Hyeoung Nam (played by Cha Tae Hyeoung)‚ was just an ordinary wealthy man working at a Dj radio station. Hyeoung’s life
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4.5 The unfulfilled high-speed railway development Continuity of domination by the capitalist class and road-oriented policy Since 1990s when Thailand has become one of the newly-industrialized countries‚ the capitalist class has been in the dominated status‚ as its members have been able to capture the state and adjust national interests to compatible with its interest. During the 1990s‚ the bunch of provincial capitalists directed the legislative process in the parliament as elected members (Pasuk
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Time‚ Speed and Distance 1. If a car starts from A towards B with some velocity. Due to some problem in the engine after traveling 30km‚ the car goes with (4/5)th of its actual velocity. The car reaches B 45 minutes later than the actual time. If the car engine had failed after traveling 45km more‚ the car would have reached the destination (B) 36minutes later than the actual time. What is the initial velocity of the car in km/hr? (a) 60 (b) 77 (c) 75 (d) None of these 2. A and B are two
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