The sound of a bomb explosion travels faster than the sound produced by a humming bee. a) True b) False
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The sound of a bomb explosion travels faster than the sound produced by a humming bee.
a) True
b) False
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- 10. If the intensity for 5 bugs is 6 x 10-12 W/m² then what is the intensity for 1 bug? For 3 bugs? 11. If 1 bug makes a sound of 8 dB then what will 25 bugs sound like? 12. If 4 bugs make a sound of 14 dB then what will 25 bugs sound like?9) It is a hot summer day. The temperature is 35 °∁ . A car is traveling at 18.846 km/hour honking it 1000Hz horn.a) What is the speed of sound at that temperature?b) The car is traveling towards you. What is the frequency you hear?c) The car is traveling away from you. What is the frequency you hear?2) The speed of sound in air is 343 m s. If the frequency of a sound wave is 220 Hz, what is the wavelength? a) 0.9 m/ b) 1.3 m c) 1.6 m d) 2.2 m
- Is the speed of sound independent of frequency? Explain.A dolphin in seawater at a temperature of 25°C emits a sound wave directed toward the ocean floor 138 m below. How much time passes before it hears an echo? (The speed of sound in ocean water is 1533 m/s.) Additional Materials O eBook Stephen Frink/Pho tographer's Choice/Getty ImagesWhat frequency sound (in Hz) has a 0.450 m wavelength when the speed of sound is 337 m/s? Hz Additional Materials O Reading