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? 
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Structured educational activities intended for professionals to maintain, update, or enhance their knowledge and skills.
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An academic qualification awarded to individuals upon successful completion of nursing education programs, qualifying them to practice as registered nurses.
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