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Doppler. Two Submarines are heading towards each other along the straight line (on the collision course ). The submarine B is moving with speed 3

Doppler.

Two Submarines are heading towards each other along the straight line (on the collision course ). The submarine B is moving with speed 3 m/s while the submarine C is moving with speed 10 m/s. To avoid the collision, the submarine B engages the international alert signal for submarines at frequency of 210 Hz. What is the frequency perceived by the submarine C in Hz?

State your answer to the nearest 0.01Hz.

Do not enter the units!

The speed of sound in a salty ocean water is 1,490 m/s

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