A Source Travelling to the Right at a Speed of 5

question 54

Multiple Choice

A source travelling to the right at a speed of 5 m/s emits a sound wave which is reflected off a reflector travelling to the left at a speed of 5 m/s.If the frequency of the reflected sound wave detected by a listener back at the source is 100 Hz,what is the frequency of the wave emitted at the source?

• A)100 Hz
• B)106 Hz
• C)103 Hz
• D)94.3 Hz
• E)97.1 Hz

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The total amount of money that a country's government has borrowed, including both the internal and external debt.

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The total amount of money that the United States federal government owes to creditors, both domestic and international.

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