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Part II - TTU Physics
Part II - TTU Physics

... the acoustic branch. So, in real materials, a probe at optical frequencies is needed to excite these modes. • Historically, the term “Optic” came from how these modes were discovered. Consider an ionic crystal in which atom 1 has a positive charge & atom 2 has a negative charge. As we’ve seen, in th ...
Oscillations and Waves
Oscillations and Waves

... Graphing the wave function • The graphs in Figure 15.9 to the right look similar, but they are not identical. Graph (a) shows the shape of the string at t = 0, but graph (b) shows the displacement y as a function of time at t = 0. • Starting with y(x = 0, t) = A cost, the wave moving at speed v to ...
Physics Form 4 Syllabus
Physics Form 4 Syllabus

... The English language should be the principal language of communication during the Physics lessons. This may be supplemented with the Maltese language in those instances where the teacher feels it is appropriate. Communicate in the English language helps the students to grasp the key phrases, underst ...
Measurement of elastic nonlinearity using remote
Measurement of elastic nonlinearity using remote

... laser energy is kept to the thermo-elastic regime, making the concept completely nondestructive. The desired SAW frequency is selected by choosing the appropriate line spacing using the relation λ=v/f. Where λ is the line spacing, equivalent to the acoustic wavelength of the generated SAW, v is the ...
Introduction to the Physics of Waves and Sound
Introduction to the Physics of Waves and Sound

... The above assumptions are made with the technical equivalent of artistic license. Since they greatly simply the system while preserving much of the essential nature of physical oscillation, they are useful for purposes of explanation, and introductory physics texts almost invariably use them. Real ...
Chapter 13 - AP Physics Vibrations and Waves Power Point-
Chapter 13 - AP Physics Vibrations and Waves Power Point-

... two people riding in the car have a combined mass of 160 kg, find the frequency of vibration of the car when it is driven over a pothole in the road. Find also the period and the angular frequency. (1.18 Hz; 0.847 s; 7.41 rad/s) ...
Thin Rod Flexural Acoustic Wave Devices
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... [5] have found out that flexural plate wave gravimetric sensors can have higher mass sensitivity at low operating frequencies (a few MHz) than the BAW or SAW counterparts. The lowest flexural (anti symmetric) Lamb mode, Ao, was used for thin isotropic plates [5]. The thickness of the plates is much ...
Ch 13 Vibrations and Waves
Ch 13 Vibrations and Waves

... other while moving through a medium, the resulting wave is found by adding together the displacements of the individual waves point by point – Actually only true for waves with small amplitudes Section 13.10 ...
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... • If mechanical pressure is applied to one pair of opposite faces of certain crystals like quartz, equal and opposite electrical charges appear across its other faces. This is called as piezoelectric effect. • The converse of piezo electric effect is also true. • If an electric field is applied to o ...
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... of 2m between a maximum and the nearest minimum and vertical height of 2m. If it moves with 1m/s, what is its: a) amplitude b) period c) frequency ...
Physics-ATAR-Unit-2
Physics-ATAR-Unit-2

... representations   of   data   to   quantitative   relationships   between   variables,   and   they   continue   to   develop   skills   in   planning,   conducting   and   interpreting   the  results  of  primary  and  secondary  investigations.   ...
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... An anchored fishing boat is going up and down with the waves. It reaches a maximum height every 5 seconds and a person on the boat sees that while reaching a maximum, the previous waves has moves about 40 m away from the boat. What is the speed of the traveling waves? ...
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... Now, let us restrict the motion to small angles, less than 10◦ . This is important, because it allows us to use the small-angle approximation for the sine function. For small angles, sin θ ≈ θ. (Of course, θ must be in radians.) Try this using your calculator. For angles less than 0.2 radians, the a ...
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... waves will involve mainly longitudinal motion, with a nearly-uniform free-surface elevation across the crosssection. In such a fully-closed system, as the local free-surface elevation and hence the area occupied by fluid in a particular cross-section changes, there there must be instant compensation ...
Practice test for final exam
Practice test for final exam

... 6. A mass m = 3 kg is attached to a spring with spring constant k = 3 N/m and oscillates with simple harmonic motion along the x-axis with an amplitude A = 0.10 m. (a) What is the angular frequency  of this oscillation? (b) What is the period T and the frequency f of the oscillation? (c) If the pha ...
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Introduction to Soft Matter Physics- Lecture 5
Introduction to Soft Matter Physics- Lecture 5

... is a typical relation from the theory of transport phenomena: velocity gradient leads to the associated flux of momentum. The momentum is getting transported from layer to layer by shear forces in between the layers, or, on the molecular level, by molecules jumping from one layer to another and tran ...
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... Power factor is based on sine waves. The method of measuring PF in the past was based on the difference in time or phase angle between the voltage and current. This is referred to as displacement PF. Electrical motors, which make up 60% of the load in the United States, have a current sine wave that ...
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... rim of a turntable of radius A The focus is on the shadow that the ball casts on the screen When the turntable rotates with a constant angular speed, the shadow moves in simple harmonic motion ...
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... Cnjlm  0 only if the resonant conditions are held: n  j  l  m, n 2  j 2  l 2  m 2 ...
Part42
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... apart (phase difference of 585o which is the same as 225o). 1. The blue is the incident wave arriving at the right end with a phase of 180o and is reflected. 2. The red is the first reflected wave from the right end starting with a phase of 180o+180o = 360o which is the same as 0o. The red wave reac ...
wave - bbmskharris
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Chapter 13 Slide
Chapter 13 Slide

... spring with a spring constant of 20 N/m oscillates on a frictionless horizontal surface. (a) Find the period of oscillations. (b) Calculate the total energy of the system and maximum speed of the object if the amplitude of the motion is 3 cm. © What is the velocity of the object when the displacemen ...
Onshore, active source seismic data were collected along two dip
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... m spacing along ~220 km profiles. This instrument spacing yields Pg arrivals along each entire profile, PmP arrivals on offsets greater than 100 km, and Pn arrivals on offsets greater than 120 km. Preliminary 2-D velocity models along both profiles reveal a crustal thicknesses between 35-40 km and s ...
KEY - Humble ISD
KEY - Humble ISD

... 1. Which of the following statements are true of an object moving in a circle at a constant speed? Include all that apply. a. The object experiences a force which has a component directed parallel to the direction of motion. b. Inertia causes objects to move in a circle. c. Because the speed is cons ...
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Lamb waves

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