sound waves Sound is a series of compression waves that moves through air or other materials. These sound waves are created by the vibration of an object‚ like a radio loudspeaker. The waves are detected when they cause a detector to vibrate. Your eardrum vibrates from sound waves to allow you to sense them. Sound has the standard characteristics of any waveform. Sound is a waveform that travels through matter. Although it is commonly in air‚ sound will rapidly travel
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Beginning in the summer of 1869 Gustave Courbet produced a series of paintings depicting stormy seas during his stay at Etretat on the Normandy coast. The Wave (La Vague c.1872) exhibited in the National Gallery of Victoria is one such painting that features the central motif of a cresting wave. While many viewed the work as a simple realist seascape‚ the political implication of the work suggested by some of Courbet’s contemporaries is hardly discernable to the modern viewer. It can only be understood
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PHY 101 Lab Report Waves Lab Purpose The purpose of this laboratory experiment is to “investigate how the vibrating source affects selected characteristics of the sound produced” (Giancoli‚ 2006). Materials The following materials were used in the completion of this laboratory experiment: * Meter stick * Two paper towel rolls / cardboard tubes * Scissors * Two rubber bands * Wax paper * Transparent tape * Flashlight * Balloon Procedure Part 1:
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Name Instructor Course Date of Submission Waves on a String Abstract The principal objective of this lab was to study the conditions required for the creation of standing waves. The experiment was based on the principal of superposition‚ where a second wave exerted on a tight‚ stretched string and combined with the reflected wave. Results Table 1: Data from the Experiment Loops λ (m) Mass (kg) Tension‚ T (N) √T (N) Fcalc. FStroboscope (Hz) V (ms-1) µ 2 1.50 0.250 2.45 1.565 57.443 179.96 86.164
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Sound of Waves Test Answer each of the following questions thoroughly. I will be grading on thoughtfulness and how well you explain your answer. For the factual questions‚ you just need to get it correct. This first section does not need as much explanation‚ you may give a short response. Why was Shinji’s mother angry when she first received Hiroshi’s post card? She was angry because Hiroshi had sent her an expensive post card‚ and she said "kids these days don’t know the value of money
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spreads across a medium (i.e.‚ air or water) as a mechanical longitudinal wave formed by pressure. A Mechanical longitudinal wave can also be called compression wave as it generates compressions and rarefaction when traveling through a medium. (Sound Is a Pressure Wave - Physics Classroom) The amplitude of a sound wave is the difference between the pressure of the undisturbed air and the maximum pressure caused by the wave. The Speed of sound deviates with the temperature‚ and density of the medium
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to point through a medium is called a ___. a. period b. periodic wave c. wavelength d. pulse Answer: D A wave is a continuous and repeating disturbance of a medium and a pulse is a single disturbance. 2. If the particles of the medium are vibrating to and fro in the same direction of energy transport‚ then the wave is a ____ wave. a. longitudinal b. sound c. standing d. transverse Answer: A In longitudinal waves‚ particles of the medium vibrate to and from in a direction parallel
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Specific Heat and Conservation of Energy When energy in the form of heat Q is added to a material‚ the temperature of the material rises. Note that temperature‚ in units of degrees Celsius (°C) or Kelvin (K)‚ is a measure of how hot or cold a substance is‚ while heat‚ in units of joules (J) or calories (cal)‚ is a measure of its thermal energy. 1cal = 4.19J. A measure of the efficiency with which a substance can store this heat energy is known as specific heat capacity‚ or simply the specific heat‚ . The
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Introduction Specific heat is defined as the measure of the ability of a substance to change temperature. Specific heat of a substance is the heat needed to change the temperature of 1 gram of a substance once degree Celsius. The more Joules (unit of heat) needed‚ the higher the specific heat will be. The goal is to determine specific heat of a soil sample as compared to water. This difference has many ramifications regarding our climate‚ with local and global. Hypothesis I predict that after
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conducted to find the specific heat of a metal as well as the heat of solution of a solid. Both experiments required the use of calorimetry to measure heat flow and temperature change. The specific heat of the metal was found by heating it in boiling water before transferring it to the calorimeter that was partially filled with water. After shaking the calorimeter‚ the temperature change was measured and recorded. This information was used to calculate the specific heat. The heat of solution of a solid
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