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26 Pages

### chapter 29

Course: PHY 18334, Spring 2009
School: ASU
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Word Count: 12837

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INDUCTION 29 29.1. 29.2. IDENTIFY: ELECTROMAGNETIC Altering the orientation of a coil relative to a magnetic field changes the magnetic flux through the coil. This change then induces an emf in the coil. SET UP: The flux through a coil of N turns is = NBA cos , and by Faraday's law the magnitude of the induced emf is E = d/dt. EXECUTE: (a) = NBA = (50)(1.20 T)(0.250 m)(0.300 m) = 4.50 Wb (b) E = d/dt = (4.50...

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ASU - PHY - 18334
INDUCTANCE30Apply Eq.(30.4). di (a) E2 = M 1 = (3.25 10-4 H)(830 A/s) = 0.270 V; yes, it is constant. dt30.1.IDENTIFY and SET UP: EXECUTE: (b) E1 = Mdi2 ; M is a property of the pair of coils so is the same as in part (a). Thus E1 = 0.270 V.
ASU - PHY - 18334
ALTERNATING CURRENT3131.1.IDENTIFY: SET UP: EXECUTE:i = I cos t and I rms = I/ 2.The specified value is the root-mean-square current; I rms = 0.34 A.(a) I rms = 0.34 A31.2.(b) I = 2 I rms = 2(0.34 A) = 0.48 A. (c) Since the current is
ASU - PHY - 18334
ELECTROMAGNETIC WAVES3232.1.IDENTIFY: Since the speed is constant, distance x = ct. SET UP: The speed of light is c = 3.00 108 m/s . 1 yr = 3.156 107 s.32.2.x 3.84 108 m = = 1.28 s c 3.00 108 m/s (b) x = ct = (3.00 108 m/s)(8.61 yr)(3.156 1
ASU - PHY - 18334
THE NATURE AND PROPAGATION OF LIGHT3333.1.IDENTIFY: For reflection, r = a . SET UP: The desired path of the ray is sketched in Figure 33.1. 14.0 cm EXECUTE: tan = , so = 50.6 . r = 90 - = 39.4 and r = a = 39.4 . 11.5 cm EVALUATE: The an
ASU - PHY - 18334
INTERFERENCE3535.1.35.2.IDENTIFY: Compare the path difference to the wavelength. SET UP: The separation between sources is 5.00 m, so for points between the sources the largest possible path difference is 5.00 m. EXECUTE: (a) For constructive
ASU - PHY - 18334
DIFFRACTION3636.1.IDENTIFY: Use y = x tan to calculate the angular position of the first minimum. The minima are located by m , m = 1, 2,. First minimum means m = 1 and sin 1 = / a and = a sin 1. Use this Eq.(36.2): sin = a equation to ca
ASU - PHY - 18334
RELATIVITY37Figure 37.137.1.IDENTIFY and SET UP: Consider the distance A to O and B to O as observed by an observer on the ground (Figure 37.1).(b) d = vt = (0.900) (3.00 108 m s) (5.05 10-6 s) = 1.36 103 m = 1.36 km. 37.3.1 IDENTIFY an
ASU - PHY - 18334
PHOTONS, ELECTRONS, AND ATOMS38h f - . The e e38.1.IDENTIFY and SET UP: The stopping potential V0 is related to the frequency of the light by V0 = slope of V0 versus f is h/e. The value fth of f when V0 = 0 is related to by = hf th .EXECU
ASU - PHY - 18334
THE WAVE NATURE OF PARTICLES39hc39.1.IDENTIFY and SET UP: EXECUTE: (a) ==h h = . For an electron, m = 9.11 10 -31 kg . For a proton, m = 1.67 10 -27 kg . p mv6.63 10-34 J s = 1.55 10-10 m = 0.155 nm (9.11 10-31 kg)(4.70 106 m/s)
ASU - PHY - 18334
QUANTUM MECHANICS40n2h 2 . 8mL240.1.IDENTIFY and SET UP: The energy levels for a particle in a box are given by En = EXECUTE: (a) The lowest level is for n = 1, and E1 =(1)(6.626 10-34 J s) 2 = 1.2 10-67 J. 8(0.20 kg)(1.5 m) 21 2E 2(1.2
ASU - PHY - 18334
ATOMIC STRUCTURE41L = l (l + 1) . Lz = ml . l = 0, 1, 2,., n - 1. ml = 0, 1, 2,., l . cos = Lz / L .41.1.IDENTIFY and SET UP:EXECUTE: (a) l = 0 : L = 0 , Lz = 0 . l = 1: L = 2 , Lz = ,0, - . l = 2 : L = 6 , Lz = 2 , ,0, - , -2 . (b) In ea
ASU - PHY - 18334
MOLECULES AND CONDENSED MATTER4242.1.3 2 K 2(7.9 10-4 eV)(1.60 10-19 J eV) (a) K = kT T = = = 6.1 K 2 3k 3(1.38 10-23 J K) 2(4.48 eV) (1.60 10 -19 J eV) (b) T = = 34,600 K. 3(1.38 10-23 J K)(c) The thermal energy associated with room te
ASU - PHY - 18334
NUCLEAR PHYSICS4343.1.(a) (b) (c)28 14 85 37Si has 14 protons and 14 neutrons. Rb has 37 protons and 48 neutrons. Tl has 81 protons and 124 neutrons.205 8143.2.(a) Using R = (1.2 fm)A1 3 , the radii are roughly 3.6 fm, 5.3 fm, and 7.1
ASU - PHY - 18334
PARTICLE PHYSICS AND COSMOLOGY4444.1.(a) IDENTIFY and SET UP: Use Eq.(37.36) to calculate the kinetic energy K. 1 EXECUTE: K = mc 2 - 1 = 0.1547 mc 2 2 2 1- v / c m = 9.109 10 -31 kg, so K = 1.27 10-14 J (b) IDENTIFY and SET UP: The tota
Kansas - GEOL - 171
Natural Disasters and the Human PopulationNatural Disasters, 6th edition, Chapter 1R. J. Ferguson, Geoscience, U Calgary234567891011121314151617Natural Disasters in 2004 and 2005 More than 280,000 people killed by
Kansas - GEOL - 171
Energy Flows in Earth History and Natural DisastersR. J. Ferguson, Geoscience U CalgaryEnergy Sources for DisastersFour primary energy sources fuel Earth processes: Impact of extraterrestrial bodies Asteroids and comets; abundant in early Earth
Kansas - GEOL - 171
Plate Tectonics and EarthquakesNatural Disasters, 6th edition, Chapter 3Plate Tectonics and EarthquakesGujarat, India, January 26, 2001: Major earthquake great natural disaster Event so destructive that outside help is needed 20,103 people k
Kansas - GEOL - 171
Ch 4 EarthquakesExercise #1 Writing a disaster summary Pick a natural disaster that occurred in the world in the last 8 months and brief y describe it (1 page l only, single/double-spaced text, 200 words maximum, 1 f gure/photo, at least 3 refere
Kansas - GEOL - 171
Chapter 5- More United States and Canadian Earthquakes Earthquake- significant- USGS deems magnitude of 6.5 of higher Western North America: Plate Tectonic-Related Earthquakes North American plate is moving into the Pacific plate at 2.5 cm/yr and t
Kansas - GEOL - 171
Chapter 8- Mass Movements Creep is the downslope movement of the soil and uppermost bedrock zones. Swelling is caused by: 1) Porosity- water filling pores increases volume by 9 percent 2) Soil rich in clay minerals is wetted, it absorbs water and e
Kansas - GEOL - 171
Ch.9- Climate Change Determining factors of Climate: 1) Solar radiation received 2) Solar radiation retained War climates are indicated by: 1) fossil reefs and limestones 2) aluminum ore bauxite, which forms only in tropical soils 3) bes of evaporate
Kansas - GEOL - 171
TsunamiKiller Sea WavesGOPH 375Rogue waveTsunami vs Wind-blown WavesFigure 1.5TsunamisFig. 4.36Fig. 4.37Tsunami in Recent Times Tsunami (Japanese):Terminologytsu = harbour nami = waves Also known as Tidal Waves or Seismic Sea Wa
Kansas - GEOL - 171
The Asian Tsunami in Sri Lankaa personal experienceCHRIS CHAPMAN, Schlumberger Cambridge Research, U.K.9:30 a.m. local time (03:30 GMT) on Boxing Day, 26 December, my wife Lillian and I were eating breakfast at the beachside Triton Hotel, Ahungalla
Kansas - GEOL - 171
Hawaiian-type Eruptions Hot-spot volcanoes: Haleakala on Maui, five volcanoes of island of Hawaii and subsea Loihi (969 m below sea level) H-type volcano from subduction: Medicine Lake Volcano, CAWikimedia commonsIcelandic-type eruptions Most
Kansas - GEOL - 171
CHAPTER 10- SEVERE WEATHER Weather Principles Heat capacity- the ability to absorb heats. Sand and rock have small specific heats. Convection- transmission of heat in flowing water (or air). Conduction is the transfer of heat through a mass. Adia
Kansas - GEOL - 171
Ch 12: Severe weatherwikimedia.orgExtreme Heat Long or short timescales Long timescale: Plate movement, oceans opening and closing large regions may be cut off from moisture, into desert conditions Short timescale: Changes in jet stream, a
Kansas - GEOL - 171
Atmosphere, Oceans and Long-Term Climate ChangeNatural Disasters, 6th edition, Chapter 11Water and Heat Required amount of heat to raise temperature of water (specific heat) is high Convection: transmission of heat in flowing water or air Condu
Kansas - GEOL - 171
Climate change and severe weatherGlacial Advance and Retreat: Timescale in Thousands of Years Last 10^6 years: 10 glacial advances, retreats Advances last 10^5 years Retreat much faster than advance, last 10^3 years Cycles in Earths orbit affec
Kansas - GEOL - 171
Killer Events and ProcessesHistoric Record of Volcano Fatalities About 275,000 people killed during last 500 years by about 12 processesPyroclastic Flows Superhot, high speed turbulent cloud of ash, gas and air can kill thousands of people in o
Kansas - GEOL - 171
Geology 20A- Geologic Hazards How Can the Earth Kill You? Page 1 of 6 Chapter 1- Energy Sources of Disaster Earth Energy Sources: 1) the Earths internal heat 2) the Sun 3) gravity 4) impact from extraterrestrial bodies Earth is ~4.57 billion years
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