Two submarines A and B are approaching each other along a straight line as shown below. The speed of submarine A is VA = 20 m/s, the speed of submarine B is unknown. Submarine A sends a 500-Hz acoustic signal towards submarine B and receives a reflected signal of a higher frequency of 549 Hz. What is the speed of submarine B if the speed of sound in water is 1400 m/s? VA VB A fo The speed of submarine B, VB = What frequency does submarine B "hear"? The frequency on submarine B, fB = Units m/s Units Hz B

Two submarines A and B are approaching each other along a straight line as shown below. The speed of submarine A is VA = 20 m/s, the speed of submarine B is unknown. Submarine A sends a 500-Hz acoustic signal towards submarine B and receives a reflected signal of a higher frequency of 549 Hz. What is the speed of submarine B if the speed of sound in water is 1400 m/s? VA VB A fo The speed of submarine B, VB = What frequency does submarine B "hear"? The frequency on submarine B, fB = Units m/s Units Hz B

College Physics

11th Edition

ISBN:9781305952300

Author:Raymond A. Serway, Chris Vuille

Publisher:Raymond A. Serway, Chris Vuille

Chapter1: Units, Trigonometry. And Vectors

Section: Chapter Questions

Problem 1CQ: Estimate the order of magnitude of the length, in meters, of each of the following; (a) a mouse, (b)...

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Electromagnetic Waves

Electromagnetic waves are waves that consist of magnetic field and electric field components perpendicular to each other. These field components are also perpendicular to the direction of propagation of the wave.

Question

Two submarines A and B are approaching each other along a straight line as shown below. The speed of
submarine A is VA = 20 m/s, the speed of submarine B is unknown. Submarine A sends a 500-Hz acoustic
signal towards submarine B and receives a reflected signal of a higher frequency of 549 Hz. What is the
speed of submarine B if the speed of sound in water is 1400 m/s?
V
A
A
f₁
The speed of submarine B,
VB =
What frequency does submarine B "hear"?
The frequency on submarine B, fB
Units m/s
Units Hz
V₁
B
B

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