1) what is the frequency of a 2-meter wave traveling at a velocity of 5 meters per second?

2) What is the wavelength of a 100 Hz signal traveling at 500 meters per second?

3) You are standing outside and you here a siren approaching

a. what happens to the frequency as the siren gets closed to you?

b. What happened to the wavelength of the sound as the siren gets closer?

c. Does the speed of sound change as the siren approaches ?

4) It is possible to break a delicate glass by singing at a certain frequency quite close to the object. What causes this?

5) An ambulance is approaching you at 30 m/s, sounding its siren at a frequency of 750 Hz? if the speed of sound is 345 m/s, what frequency do you observe? Assume your velocity is 0 m/s.

6) How many octaves are there between 27.5 Hz and 880 Hz? Show how you arrived at your answer.

7) You are observing a concert. You move closer to the stage so that the intensity of the sound is 500 times greater. what is the change in decibels? Round the answer to the nearest whole number

8) what is the speed of the sound in air that is 6c (279.15k)?

9) A Telephone cable is stretched between two poles with a tension force of 6000 N. The cable has a linear mass density of 16 kg/m. What is the maximum speed of a wave on the cable?

10) The tagline of a famous movies says: "In space, no one can hear you scream." Explain, In scientific terms, what is meant by this.