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Modern International Maritime Organization (IMO) regulations specify that ships longer than 200 m must have a...

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Physics

Modern International Maritime Organization (IMO) regulationsspecify that ships longer than 200 m must have a ship's whistlewhose frequency is between 70 and 192 Hz. Suppose that a 235-m shiphas a whistle whose frequency is 187 Hz. If the ship is stationary,what is the maximum speed that an approaching observer can have sothat the ship's whistle still satisfies IMO regulations?

Two trains are traveling on the same track and in the samedirection. The first train is moving at a speed of 37.2 m/s andblows its horn, whose frequency is 255 Hz. The second train, whichis behind the first, detects a frequency of 238 Hz. What is thespeed of the second train?

Two trains are traveling on the same track and in the samedirection. The first train, which is behind the second train, blowsa horn whose frequency is 265 Hz. The second train detects afrequency of 284 Hz. If the speed of the second train is 14.0 m/s,what is the speed of the first train?

Answer & Explanation Solved by verified expert
3.9 Ratings (477 Votes)
1Frequency of ships horn fo 187 HzThe speed of sound V 340 msLet the speed with which observer moves be voThe source is    See Answer
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