# Is this correct? Physics Question?

A one-dimensional longitudinal wave traveling along a string is described by the following equation: where all distances are measured in meters and time in seconds. Which of the following statements is incorrect?
a. The wave travels in the −z direction.
b. The wavelength of the wave is 2m.
c. The frequency of...
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A one-dimensional longitudinal wave traveling along a string is described by the following equation: where all distances are measured in meters and time in seconds. Which of the following statements is incorrect?

a. The wave travels in the −z direction.

b. The wavelength of the wave is 2m.

c. The frequency of the wave is 10 Hz.

d. The amplitude of the wave is 0.2 m.

e. The wave has a speed of 10 m/s.

I got 5Hz for the frequency so would the answer be c?

a. The wave travels in the −z direction.

b. The wavelength of the wave is 2m.

c. The frequency of the wave is 10 Hz.

d. The amplitude of the wave is 0.2 m.

e. The wave has a speed of 10 m/s.

I got 5Hz for the frequency so would the answer be c?

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