# PHYS

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The fundamental resonance on a string is 60 cm length fixed at both ends is 440Hz. What is the speed of a wave traveling on this string?

• PHYS -

Think about it. One wavelength is 60 cm.
It takes 1/440 sec to travel the length of the string.

speed = d/t = d*f = 60*440 = 2640 cm/s

• PHYS -

Hmm. Forgot the fundamental wavelength is 120cm, not 60.

scale the velocity to account for that.

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