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A 40-cm long string, with one end clamped and the other free to move transversely, is vibrating in its fundamental standing wave mode. If the wave speed is 320 cm/s the frequency is:

Respuesta :

For the given wave speed, the frequency is 2.0 Hz

What is frequency?

The frequency is the number of cycles per second in the sinusoidal wave.

Given is the length of the string L = 40cm, the wave speed v =320 cm/s, then the wavelength is

λ =4L

λ =4 x 40 cm =160 cm.

The frequency is related to the wavelength as

f =v/λ

f =320/160

f=2.0 Hz

Thus, the frequency is 2.0 Hz.

Learn more about frequency.

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