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?