Two cars, one in front of the other, are traveling down the highway at 25 m/s. The car behind sounds its horn, which has a frequency of 540 Hz. What is the frequency heard by the driver of the lead car? (vsound = 340 m/s)

a. 463 Hz
c. 579 Hz
b. 540 Hz
d. 500 Hz


B

Physics & Space Science

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Which of the following frequencies could NOT be present as a standing wave in a 2m long organ pipe open at both ends? The fundamental frequency is 85 Hz

a. 85 Hz. b. 170 Hz. c. 255 Hz. d. 340 Hz. e. 382 Hz.

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Firewalking is similar to

A. water on a saucepan B. the space shuttle reentry C. an automobile air bag D. water skiing

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The only Jovian moon to orbit its planet retrograde and out of the equatorial plane is ________

Fill in the blank(s) with correct word

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