Interactive learningware 16.2 provides some pertinent background for this problem. a convertible moves toward you and then passes you; all the while, its loudspeakers are producing a sound. the speed of the car is a constant 5.73 m/s, and the speed of sound is 343 m/s. what is the ratio of the frequency you hear while the car is approaching to the frequency you hear while the car is moving away?

Abag of potato chips contains 2.00 l of air when it is sealed at sea level at a pressure of 1.00 atm and a temperature of 20.0 deg c. what will be the volume of the air in the bag if you take it with you, still sealed, to the mountains where the temperature is 7.00 deg c and atmospheric pressure is 70.0 kpa? assume that the bag behaves like a balloon and that the air in the bag is in thermal equilibrium with the outside air.