4 and 5 A * *O A16% O 4:00 PMQOairection at 95 mph (42.5 m/s) with a siren frequency of 1200 Hz. Find the frequency heard by thedriver. Take the speed of sound at 20C as 343 m/sec.a. 1189 Hzb. 1528 Hzс. 1192 Hzd. 1211 Hz4. The linear density of a violin string is 7.8 x 10 kg/m. A wave on the string has a frequency of 440Hz and a wavelength of 65 cm. Find the tension on the string.а. 0.22 Nb. 63.8 Nc. 0.036 Nd. 6.38 x 10° N5. A pipe with one end open and one end closed produces a fifth harmonic frequency of 1760 Hz at 20degree C. Find the length of the pipe.а. 14.7 сmb. 29.3 cmc. 48.7 cmd. 24.4 cm6. An infinitely long wire has a charge density of 2.7 x 10° C/m. Find the electric field 5.00 m awayfrom the wire.a. 0.97 N/Cb. 9.71 N/Cc. 4.86 N/Cd. 1.94 N/C7. A coil of wire has a resistance of 38 ohms at 25 C and 43.7 ohms at 55 C. Find the temperature

Answered: Image /qna-images/answer/58eabb59-0dc6-4945-aba6-5cdf2455620d.jpg

4. The linear density of a violin string is 7.8 x 10* kg/m. A wave on the string has a frequency of 440 Hz and a wavelength of 65 cm. Find the tension on the string. b. 63.8 N a. 0.22 N c. 0.036 N d. 6.38 x 10 N

4. The linear density of a violin string is 7.8 x 10* kg/m. A wave on the string has a frequency of 440 Hz and a wavelength of 65 cm. Find the tension on the string. b. 63.8 N a. 0.22 N c. 0.036 N d. 6.38 x 10 N

Physics for Scientists and Engineers, Technology Update (No access codes included)

9th Edition

ISBN:9781305116399

Author:Raymond A. Serway, John W. Jewett

Publisher:Raymond A. Serway, John W. Jewett

Chapter17: Sound Waves

Section: Chapter Questions

Problem 17.3OQ: As you travel down the highway in your car, an ambulance approaches you from the rear at a high...

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Question

4 and 5

A * *O A
16% O 4:00 PM
QO
airection at 95 mph (42.5 m/s) with a siren frequency of 1200 Hz. Find the frequency heard by the
driver. Take the speed of sound at 20C as 343 m/sec.
a. 1189 Hz
b. 1528 Hz
с. 1192 Hz
d. 1211 Hz
4. The linear density of a violin string is 7.8 x 10 kg/m. A wave on the string has a frequency of 440
Hz and a wavelength of 65 cm. Find the tension on the string.
а. 0.22 N
b. 63.8 N
c. 0.036 N
d. 6.38 x 10° N
5. A pipe with one end open and one end closed produces a fifth harmonic frequency of 1760 Hz at 20
degree C. Find the length of the pipe.
а. 14.7 сm
b. 29.3 cm
c. 48.7 cm
d. 24.4 cm
6. An infinitely long wire has a charge density of 2.7 x 10° C/m. Find the electric field 5.00 m away
from the wire.
a. 0.97 N/C
b. 9.71 N/C
c. 4.86 N/C
d. 1.94 N/C
7. A coil of wire has a resistance of 38 ohms at 25 C and 43.7 ohms at 55 C. Find the temperature

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