# Physics help?

A harmonic transverse wave traveling on a cord has a wavelength of 0.1m, a frequency of 400 Hz, and an amplitude of 0.02m. What is the speed of the wave?

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- MyRankLv 68 months ago
Given,

Wavelength (λ) = 0.1m

Frequency (f) = 400Hz = 400/sec

Amplitude (A) = 0.02m

Speed (v) = ?

We know that:-

Frequency (f) = speed (v) / wavelength (λ)

= speed (v) = frequency (f) x wavelength (λ)

= 400/sec x 0.1m

= 40m/sec

∴ speed (v) = 40m/sec.

Source(s): http://myrank.co.in/ - Old Science GuyLv 78 months ago
v = f L = 400/s * 0.1 m = 40 m/s

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