Author: Haoyang Chen Date: 2/23/2013 Experiment No.: 2 Title: Synthesis - A Square Wave‚ a Musical Note and Sound Cancellation Introduction: In this experiment‚ we will do three parts to find out the synthesis sound. They are a Square Wave‚ a Musical Note and Sound Cancellation. For the first part‚ it is the superposition of sine wave. We are going to construct a square wave (approximately) by adding together some pure tones of different frequencies. This stretched string vibrating at
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ATMN 203 – Mechatronics I Week 1 Introduction • Course Name: ATMN 203 – Mechatronics I • Instructor – Brandeen McDonald. You may call me Brandy or Brandeen or Miss. • I can be reached at brandeen.mcdonald@humber.ca • Phone or Text: 416‐524‐2165 Be considerate here! • Office Hours or By Appointment: Room J230 – Ask Reception to see me. OFFICE HOURS OFFICE HOURS • What Hours Does the Class Have Free? What Hours Does the Class Have Free? • I will poll both sections of this course
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Oscilloscope 1. Connect the function generator output to Channel 1 of the oscilloscope with a BNC-BNC cable as shown in Figure 1 below and turn on both instruments. Figure 1: Function Generator to Oscilloscope Connection 2. Select the Sine wave button of the function generator. Set the frequency to 1 kHz. 3. Select the Amplitude button on the function generator to set the output voltage. Adjust the voltage to 2 V peak to peak. 4. On the oscilloscope‚ set the Volts/Div knob to
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Figure 5.19 The mortar in unreinforced masonry walls such as these in Iran‚1990(A) can easily fail during an earthquake. Oftentimes the entire structure crumbles‚ leaving a pile of rubble in which survive. Shown in(B) is one of the many masonry homes to collapse during the 1988 Armenia earthquake (M6.9)‚ claiming nearly 25‚000 lives. The failure is called soft-story collapse. Soft-story collapse is a common problem in commercial building where the first floor has considerable open space for
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considering EM waveguides. These are “pipes” that guide EM waves. Coaxial cables‚ hollow metal pipes‚ and fiber optical cables are all examples of waveguides. We will assume that the waveguide is invariant in the zdirection: y Metal walls b ‚ x z a and that the wave is propagating in z as e j z . (We could also have assumed propagation in –z.) Types of EM Waves We will first develop an extremely interesting property of EM waves that propagate in homogeneous waveguides. This will
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Nanyang Technological University School of Physical and Mathematical Sciences Division of Physics and Applied Physics PH 1801 – Foundations of Physics I Problem Set No. 6 Posted: Oct 9‚ 2014 ---------------------------------------------------------------------------------------------------------------------------------Conceptual questions: 1. What is the difference between temperature and heat? 2. What is a thermometer and what are its working principles? 3. Metal lids on glass jars
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Republic of the Philippines DEPARTMENT OF EDUCATION Region IV-A CALABARZON DIVISION OF LAGUNA Santa Cruz Grade 7 - Integrated Science Diagnostic Test – SY 2012-2013 Direction: Choose the letter of the best answer and write it on your answer sheet. If the answer is not among the choices write e. Quarter 1 1. Which of the following is an example of a solution? a. Vinegar b. Halo-halo c. Sand in water d. Oil in water 2. Which statement describes the solute? a. It is the solid formed in solution
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Cassie Sullivan: The central protagonist of the novel‚ a sixteen-year-old girl who has survived the alien apocalypse and is on a mission to rescue her five-year-old brother‚ Sammy. In the early pages of the novel‚ Cassie tells us that she has changed from the way she used to be—that she has become a killer. Given the context in which Cassie finds herself—kill or be killed—this increases our sympathy for Cassie rather than diminishing it. She is a teenage girl in unbelievable circumstances‚ and
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noticed. When we were playing‚ my friend Noor threw the ball very far away near the sea shore. I went to get the ball and was suddenly pushed by the sea wave with such a force that I landed on the surface of the sea with my head on the ground. I was trying to get up when another wave came rushing towards me and again I was washed up by this wave. It had happened so fast‚ one minute I was trying to get up on my feet and in seconds I found myself underwater‚ swimming for the surface‚ my lungs bursting
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The art of wave riding (‘he’enalu’‚ in old Hawaiian) was practiced in many coastal locations around the tropics among Pacific Islanders. "He’e" means to go from a solid to a liquid and "nalu" means surfing motion of a wave. This stand-up pastime of surfing came to its climax in Hawaii not only because of its coast having warm water and constant waves but Hawaiians are innately ocean people. Traditionally surfing prowess gained you social rank and power politically in the village. Commoners could
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