E15 Page View A\" Read aloud Add text 'V' Draw 2. AM radio signals are broadcast at frequencies between 550 kHz and 1600 kHz and travel at 3x loam/s. a) What is the range of wavelengths for these signals? b) FM frequencies range between 88 MHz and 108 MHz and travel at the same speed. What is the range of FM wavelengths? , c) The wavelength from TV Channel 6 is 3.42 111. Does Channel 6 broadcast above or below the FM band? (1) Considering the speed of radio waves, would you say that your car radio received sound waves? Why or why not. 3. What are two physics mistakes (dealing with sound) that occur in some science ction movies showing a distant explosion in Space happening at the same instant you hear it? . A bat ying in a cave emits a sound and receives its echo 0.1 seconds later. How far away is the cave wall? 5. A 442 Hz tuning fork and a 444 Hz tuning fork are struck simultaneously. What beat frequency will be produced? 6. How much more intense is a sound of 40 dB than a sound of 0 db? 7. What is a Fourier analysis? What would you use it for? 8. What is the relationship between frequency and pitch