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A train sounding its horn

A train sounding its horn is approaching an observer. The pitch of the horn's sound relative to its normal pitch is???
1. 2 answers
2. asked by ali
3. 945 views
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
1. 1 answer
2. asked by cassie
3. 1,686 views
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
3. 717 views
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
3. 932 views
If you stop on the shoulder of the road in heavy fog, warn other drivers that you are not moving by(1 point) Responses using
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2. asked by Katana Yama
3. 34 views
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
1. 1 answer
2. asked by Anonymous
3. 1,223 views
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
1. 0 answers
2. asked by Anonymous
3. 580 views
A train is sounding a horn of constant frequency shows down as it nears a station. What change in pitch is heard by a commuter
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2. asked by Sylvia
3. 599 views
A train blows horn for 5seconds.Find the time for which a person standing at the platform hears the horn if speed of train is
1. 1 answer
2. asked by deepika
3. 481 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
1. 0 answers
2. asked by Anonymous
3. 616 views