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A train sounds its horn

A train moving with a speed of 31.8 m/s sounds a 136-Hz horn. Suppose a stationary observer sounds a horn that is identical to
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A train is moving parallel and adjacent to a highway with a constant speed of 23 m/s. A car is traveling in the same direction
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2. asked by Need answer by 10pm
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A train is moving parallel and adjacent to a highway with a constant speed of 23 m/s. A car is traveling in the same direction
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2. asked by anonumous
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I need help with this question.A commuter train blows its horn as it passes a passenger platform at a constant speed of 55.0
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2. asked by Chris Adison
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A train sounds its horn as it approaches an intersection. The horn can just be heard at a level of 42 dB by an observer 10 km
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2. asked by Jake
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A train sounds its horn as it approaches an intersection. The horn can just be heard at a level of 53 dB by an observer 11 km
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2. asked by Anonymous
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A train sounds its horn as it approaches an intersection. The horn can just be heard at a level of 53 dB by an observer 11 km
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2. asked by Anonymous
3. 592 views
A train sounds its horn as it approaches an intersection. The horn can just be heard at a level of 59 dB by an observer 14 km
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2. asked by Anonymous
3. 636 views
A train is moving parallel to a highway with a constant speed of 16.0 m/s. A car is traveling in the same direction as the train
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2. asked by Anonymous
3. 6,595 views
A train sounds its horn as it approaches an intersection. The horn can just be heard at a level of 59 dB by an observer 14 km
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2. asked by Tia
3. 926 views