A high speed train travels through a station without slowing. An accordionist playing on the platform...

A high speed train travels through a station without slowing. An accordionist playing on the platform notices that the pitch of the train’s horn is different as it approaches compared to the pitch after it has passed. Furthermore she notices that the ratio of the frequencies is 3/2. 6. Find a value for the speed of the train. 7. The accordionist also notices that when the train is precisely 14.4 m away from her the sound level is 110 dB. Find a value for the time after it passes the station when the sound level is 50 dB

Expert Solution

genius_generous answered 2 years ago

A commuter train passes a passenger platform at a constant speed of 38.1 m/s. The train...

A commuter train passes a passenger platform at a constant speed of 38.1 m/s. The train horn is sounded at its characteristic frequency of 340 Hz. (a) What overall change in frequency is detected by a person on the platform as the train moves from approaching to receding? (Indicate whether the frequency increases of decreases with the sign of your answer.) Hz (b) What wavelength is detected by a person on the platform as the train approaches? m

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athletes often travels to high elevations, like Lake Tahoe in California, to train. The partial pressure...

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The Queensland Government proposes to develop a high-speed train to link Gold Coast and Brisbane. The...

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1. A submarine (sub A) travels through water at a speed of 8.00 m/s, emitting a...

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Identify a technique(sensor) through which we can measure the speed of a train and its location....

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The mass of a high speed train is 4.5×105kg, and it is traveling forward at a velocity of 8.3×101m/s.

The mass of a high speed train is 4.5×105kg, and it is traveling forward at a velocity of 8.3×101m/s. Given that momentum equals mass times velocity, determine the values of m and n when the momentum of the train (in kg⋅m/s) is written in scientific notation.

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