Question

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Answer 1

Answer:
1760 Hz

Explanation:
The equation for the displacement has the following general formula:
d = A sin(wt)
where:
A is the amplitude
w is the angular frequency

the given equation is:
d = 0.6 sin(3520πt)
We can note that:
w = 3520 π rad/sec

Now,
w = 2πf where f is the frequency
Therefore:
3520π = 2π*frequency
This means that:
frequency = 1760 Hz

Hope this helps :)