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A slinky is stretched across a classroom and moved up and down at a frequency of 2 hz. if the corresponding wave velocity is 4.2 m s , determine the wavelength of the slinky wave.

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MissPhiladelphia
Velocity of a wave is the amount of wavelength multiplied by its frequency. Moreover, derivations would be;wavelength?
Hence wavelength would be velocity divided by the frequency.Result is 2.1 mThank you for your question. Please don't hesitate to ask in Brainly your queries. 
SalenKotch

It takes the compression in the wave 4.5 seconds to travel the length of the classroom.