Physics, 19.08.2019 17:30, bhopainting

Awave traveling in a string can be described by the function y of xt is equal to 3 times cosine of ( 0.5 times x - 4 times t ) where x is measured in meters, y is measured in centimeters, and t is measured in seconds. what is the speed of this wave?

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Awave traveling in a string can be described by the function y of xt is equal to 3 times cosine of (...