V-1 Two identicał waves of the same wavelength, frequency and speed are traveling in the same direction but are 60.0° out of phase. a) Use the analytical method (an equation) to find the amplitude of the resultant (net) wave if both waves have an amplitude of 2.00cm. b) Use the graphical method (phasors) to find the amplitude of the resultant (net) wave if both waves have an amplitude of 2.00cm. c) Now let one wave have an amplitude of 2.00cm and the other have an amplitude of 3.00cm. Use any appropriate method to find the amplitude of the resultant (net) wave.

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Chapter17: Sound Waves
Section: Chapter Questions
Problem 17.62AP
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AW-1 a) 3.46cm b) 3.46cm c) 4.36cm (this is not a typo). Only the graphical method can be used
for this part because the anmplitudes of the two wayes are not the sarne,
AW-2 83°
AW-3 a) and b): 1. Pnet=2Pm 2. Pue=1.41pm 3. Pnet=1.73pm and 4. pnet-1.85pm
AW-4 pnet-1.17p.
AW-5 a) 70.0m/s
c) 4.74cm d) 42.0°
AW-6 paet-4.47x10 N/m2
b) yı lies along the +x axis, y2 is 115° counterclockwise from the tip of y1.
Transcribed Image Text:Answers AW-1 a) 3.46cm b) 3.46cm c) 4.36cm (this is not a typo). Only the graphical method can be used for this part because the anmplitudes of the two wayes are not the sarne, AW-2 83° AW-3 a) and b): 1. Pnet=2Pm 2. Pue=1.41pm 3. Pnet=1.73pm and 4. pnet-1.85pm AW-4 pnet-1.17p. AW-5 a) 70.0m/s c) 4.74cm d) 42.0° AW-6 paet-4.47x10 N/m2 b) yı lies along the +x axis, y2 is 115° counterclockwise from the tip of y1.
AW-1 Two identical waves of the same wavelength, frequency and speed are traveling in the same direction
but are 60.0° out of phase.
a) Use the analytical method (an equation) to find the amplitude of the resultant (net) wave if both waves
have an amplitude of 2.00cm.
b) Use the graphical method (phasors) to find the amplitude of the resultant (net) wave if both waves
have an amplitude of 2.00cm.
c) Now let one wave have an amplitude of 2.00cm and the other have an amplitude of 3.00cm. Use any
appropriate method to find the amplitude of the resultant (net) wave.
Transcribed Image Text:AW-1 Two identical waves of the same wavelength, frequency and speed are traveling in the same direction but are 60.0° out of phase. a) Use the analytical method (an equation) to find the amplitude of the resultant (net) wave if both waves have an amplitude of 2.00cm. b) Use the graphical method (phasors) to find the amplitude of the resultant (net) wave if both waves have an amplitude of 2.00cm. c) Now let one wave have an amplitude of 2.00cm and the other have an amplitude of 3.00cm. Use any appropriate method to find the amplitude of the resultant (net) wave.
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