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06-03-2016
Physics

Answered

Question: A 0.50 m wave has a frequency of 686 Hz. What is the speed of the wave?

Answer Choices:

A170 m/s
B1,370 m/s
C340 m/s
D690 m/s

Verified Answer :

06-03-2016

C340
Frequency is the number of wavelengths per second and since the length is 0.5 you multiply 0.5*686 and get 343.
the question not allowing for one position thus the answer is c

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