Explanation Given Info: A rope with 280 g of mass per meter is under 550 N tension. The wave on the rope has frequency 3.3 Hz and amplitude 6.1 cm . Explanation : Write the expression for angular frequency. ω = 2 π f Here, ω is the angular frequency f is the frequency Write the expression for wave speed. v = F μ Here, v is the wave speed F is the tension on the string μ is the mass per unit length Write the expression for the power carried by the wave. P ¯ = 1 2 μ ω 2 A 2 v Here, P ¯ is the average power A is the amplitude of the wave Replace ω by 2 π f and v by F μ . P ¯ = 1 2 μ ( 2 π f ) 2 A 2 F μ Substitute 280 g/m for μ , 3

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ISBN: 9780136780984

Author: Wolfson

Publisher: PEARSON

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Electromagnetic Waves

Electromagnetic waves are waves that consist of magnetic field and electric field components perpendicular to each other. These field components are also perpendicular to the direction of propagation of the wave.

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Chapter 14, Problem 25E

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The average power carried by the wave.

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Chapter 14, Problem 24E

Chapter 14, Problem 26E

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Chapter 14 Solutions

ESSENTIAL UNIV.PHYS.-MOD.MASTERING(18W)

Ch. 14.1 - A boat bobs up and down on a water wave, moving 2...Ch. 14.2 - The figure shows snapshots of two waves...Ch. 14.4 - Two identical stars are different distances from...Ch. 14.5 - Your band needs a new guitar amplifier, and the...Ch. 14.6 - Light shines through two small holes into a dark...Ch. 14.7 - Youre holding one end of a taut rope, and you cant...Ch. 14.8 - A string 1 m long is clamped tightly at one end...Ch. 14.9 - In Fig. 14.35, which is moving faster in relation...Ch. 14 - What distinguishes a wave from an oscillation?Ch. 14 - Red light has a longer wavelength than blue light....

Ch. 14 - Prob. 3FTD Ch. 14 - If you doubled the tension in a string, what would...Ch. 14 - A heavy cable is hanging vertically, its bottom...Ch. 14 - Prob. 6FTD Ch. 14 - Medical ultrasound uses frequencies around 107 Hz,...Ch. 14 - If you double the pressure of a gas while keeping...Ch. 14 - Prob. 9FTD Ch. 14 - Why can a boat easily produce a shock wave on the...Ch. 14 - Ocean waves with 18-m wavelength travel at 5.3...Ch. 14 - Prob. 12E Ch. 14 - Prob. 13E Ch. 14 - A seismograph located 1250 km from an earthquake...Ch. 14 - Medical ultrasound waves travel at about 1500 m/s...Ch. 14 - An ocean wave has period 4.1 s and wavelength 10.8...Ch. 14 - Find the (a) amplitude, (b) wavelength, (c)...Ch. 14 - Ultrasound used in a medical imager has frequency...Ch. 14 - Prob. 19E Ch. 14 - Prob. 20E Ch. 14 - Prob. 21E Ch. 14 - A transverse wave 1.2 cm in amplitude propagates...Ch. 14 - Transverve waves propagate at 18 m/s on a string...Ch. 14 - Prob. 24E Ch. 14 - Prob. 25E Ch. 14 - Prob. 26E Ch. 14 - Find the sound speed in air under standard...Ch. 14 - Timers in sprint races start their watches when...Ch. 14 - The factor for nitrogen dioxide (NO2) is 1.29....Ch. 14 - A gas with density 1.0 kg/m3 and pressure 81 kN/m2...Ch. 14 - Prob. 31E Ch. 14 - Youre flying in a twin-engine turboprop aircraft,...Ch. 14 - Prob. 33E Ch. 14 - A 2.0-m-long string is clamped at both ends. (a)...Ch. 14 - When a stretched string is clamped at both ends,...Ch. 14 - A string is clamped at both ends and tensioned...Ch. 14 - A crude model of the human vocal tract treats it...Ch. 14 - A car horn emits 380-Hz sound. If the car moves at...Ch. 14 - A fire stations siren is blaring at 85 Hz. Whats...Ch. 14 - A fire trucks siren at rest wails at 1400 Hz;...Ch. 14 - Red light emitted by hydrogen atoms at rest in the...Ch. 14 - Prob. 42E Ch. 14 - Example 14.l: A surfer just misses caching a big...Ch. 14 - Example 14.1: A Mars rover includes an experiment...Ch. 14 - Example 14.1: The speed of sound n water is 1480...Ch. 14 - Prob. 46E Ch. 14 - Example 14.7: The speed limit on a highway is 95.0...Ch. 14 - Prob. 49E Ch. 14 - Prob. 50P Ch. 14 - Prob. 51P Ch. 14 - A loudspeaker emits energy at the rate of 50 W,...Ch. 14 - Prob. 53P Ch. 14 - Prob. 54P Ch. 14 - Prob. 55P Ch. 14 - A wire is under 32.8-N tension, carrying a wave...Ch. 14 - A spring of mass m and spring constant k has an...Ch. 14 - Prob. 58P Ch. 14 - Prob. 59P Ch. 14 - Figure 14.38 shows two observers 20 m apart on a...Ch. 14 - An ideal spring is stretched to a total length L1....Ch. 14 - Prob. 62P Ch. 14 - You see an airplane 5.2 km straight overhead....Ch. 14 - What are the intensities in W/m2 of sound with...Ch. 14 - Show that a doubling of sound intensity...Ch. 14 - Sound intensity from a localized source decreases...Ch. 14 - At 2.0 in from a localized sound source you...Ch. 14 - The A-string (440 Hz) on a piano is 38.9 cm long...Ch. 14 - Prob. 69P Ch. 14 - Youre designing an organ for a new concert hall;...Ch. 14 - Show by differentiation and substitution that a...Ch. 14 - Prob. 72P Ch. 14 - Youre a marine biologist concerned with the effect...Ch. 14 - A 2.25-m-long pipe has one end open. Among its...Ch. 14 - Obstetricians use ultrasound to monitor fetal...Ch. 14 - Prob. 77P Ch. 14 - You move at speed u toward a wave source thats...Ch. 14 - Youre a meteorologist specifying a new Doppler...Ch. 14 - Use a computer to form the sum implied in the...Ch. 14 - Two loudspeakers are mounted 2.85 m apart,...Ch. 14 - An airport neighborhood is concerned about the...Ch. 14 - Tsunamis are ocean waves generally produced when...Ch. 14 - Tsunamis are ocean waves generally produced when...Ch. 14 - Tsunamis are ocean waves generally produced when...Ch. 14 - Tsunamis are ocean waves generally produced when...

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Chapter 14 Solutions