Calculating Period of Transverse Wave from Photo: A or B?

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SUMMARY

The discussion centers on calculating the period of a transverse wave, specifically determining whether the correct answer is A (0.5s) or B (1.0s). The consensus among participants indicates that the journey from point A to B represents half of the wave's period, leading to the conclusion that the full period is 4 seconds. Therefore, the time for point C to return is calculated as 1.0s, confirming that the answer is indeed B. The initial answer provided was identified as incorrect.

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tomcps
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Homework Statement


The problem is shown on the photo. And the actual answer is A. 0.5s, and I thought it would be B. 1.0s

Homework Equations

The Attempt at a Solution


Here is my thought,
The journey from A to B is just a half period, then the whole period would be 4s, as a result, the time it takes for C to return would be 4÷4= 1.0s
Isn't it? Sorry i don't have good concepts of wave
 

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Hi tom, :welcome:

I agree with your answer. The actual answer given must be a mistake
 
BvU said:
Hi tom, :welcome:

I agree with your answer. The actual answer given must be a mistake

Really? I am so confused now:cry:
 

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