November 24, 2015

Homework Help: Waves (Physics)

Posted by Wenmar on Saturday, December 8, 2007 at 12:52am.

I have trouble with these 2 problems, can anyone assist me to answer them?

18) What is the speed of a periodic wave disturbance that has a frequency of 3.50 Hz and a wavelength of 0.700 m?

21) A periodic longitudinal wave that has a frequency of 20.0 Hz travels along a coil spring. If the distance between successive compressions is 0.600 m, what is the speed of the wave?

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