WAVES AND SOUND WORKSHEET #1

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Mr. Bosworth. General Physics. Name_____________________. Sound Worksheet #1. Period_____. 1. What is the speed of sound in air at 17.5 °C?
Mr. Bosworth General Physics Sound Worksheet #1 1.

Name_____________________ Period_____

What is the speed of sound in air at 17.5 °C?

Answer_______________________ 2.

What is the speed of sound in air at -50.0 ˚C?

Answer_______________________ 3.

What is the temperature of air if sound is traveling at 361 m/s?

Answer_______________________ 4.

What is the wavelength of a sound wave that is traveling at 342 m/s and has a frequency of 6008 Hz?

Answer_______________________ 5.

Waves in a lake are 5.00 m apart and pass and anchored boat every 1.25 s. What is the speed of the waves?

Answer_______________________

6.

A mine explodes at sea. There is a 5.00 s difference between the sound arriving through the water and the sound arriving through the air. If the speed of sound in water is 1531 m/s, how far away is the receiver from the explosion?

Answer_______________________ 7.

A wave on a guitar string has a speed of 348 m/s and a period of 3.91 X 10-3 s. What is the wavelength of the string?

Answer_______________________ 8.

An airplane is flying horizontally at 800 km/hr at an altitude of 2.50 km. When the sound of the airplane’s engines appears to a person on the ground to come from directly overhead, how far away from a person is a point directly under the plane?

Answer_______________________ 9. The temperature of a room is 38.0 ˚C. (a) What is the wavelength of a 12000 Hz frequency in the room? (b) What is the wavelength if the temperature changes to -38.0 ˚C?

Answer (a)_______________________ Answer (b)_______________________