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Ilya [14]
4 years ago
8

Sally enjoyed the opportunity to collect data from standing waves in a spring. She and her partner held the ends of the spring 4

.0 meters apart. There were 5 nodes in the standing wave produced. Sally moved her hand fromt he rest position back and forth along the floor 20 times in 4 seconds. What is the frequency of the wave Sally made?a. 10/secondb. 5 hzc. 10 hzd. 1 hz
Physics
1 answer:
Natalka [10]4 years ago
6 0

Answer:

5 Hz

Explanation:

In this case it is not necessary to take into account the frequency of the string for 5 nodes. Because of the superposition principle for waves, the new wave produced by Sally is only the frequency generated by her hand:

f = (20 times)/(4 s) = 5 Hz

I hope this is useful for you

Regards

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