A factory whistle blows every

  1. At a factory, a noon whistle is sounding with a frequency of 484 Hz. As a car traveling at 77 km/h approaches the factory, the
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    2. kira asked by kira
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  2. At a factory, a noon whistle is sounding with a frequency of 480 Hz. As a car traveling at 85 km/h approaches the factory, the
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    2. Armany asked by Armany
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  3. A factory whistle blows every 30 minutes. The clock tower chimes every 15 minutes. If they both sounded at 1:00 p.m., at what
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    2. Ty asked by Ty
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  4. You are sitting on a train that is about to drive into a tunnel that is at the base of a large cliff. Just before entering the
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    2. Phil asked by Phil
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  5. Whistle manufactures referee whistles. At the end of February, Whistle has 2,000 pounds of steel for whistles inventory. Whistle
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    2. Arya Pal asked by Arya Pal
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  6. Starting at the same time, Bill rings a bell every $36$ seconds, and Wendy blows a whistle every $90$ seconds, and Sam blows a
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    2. Lily asked by Lily
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  7. A whistle you use to call your hunting dog has a frequency of 24 kHz, but your dog is ignoring it. You suspect the whistle may
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    2. AP asked by AP
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  8. 1. A whistle you use to call your hunting dog has a frequency of 21 kHz, but your dog is ignoring it. You suspect the whistle
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    2. Emmy Davidson asked by Emmy Davidson
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  9. what is the minimum riding speed needed to be able to hear the whistle? Remember, you can assume the following things: The
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    2. taylor asked by taylor
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  10. You are moving at 120 km/h toward a stationary train. The train blows its 400-Hz whistle. Take the speed of sound to be 340 m/s.
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    2. Anonymous asked by Anonymous
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