Amy counts the wave crests traveling down a stretched string. Five wave crests pass Amy in two seconds. What is the frequency of the wave? A. 5.0 Hz B. 2.5 Hz C. 10 Hz D. 2.0 Hz

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asked May 5, 2017 178k views

2 votes

Amy counts the wave crests traveling down a stretched string. Five wave crests pass Amy in two seconds. What is the frequency of the wave?

A. 5.0 Hz
B. 2.5 Hz
C. 10 Hz
D. 2.0 Hz

Physics
high-school

Stefano Falasca asked

by Stefano Falasca

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1 Answer

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the frequency is 5 wave crests / 2 seconds= 5 crests / 2s=2.5c/s
so it is B. 2.5 Hz

Darian answered May 10, 2017

by Darian

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