WAVES & ELECTRICITY questions…?
Q1: A steel piano wire, of length 1.250 m and mass 4.40 g is stretched under a tension of 430.0 N. What is the speed of transverse waves on the wire?
Q2: A student standing on a train station observes that the pitch (frequency) of the train decreases from 865.4 Hz to 848.4 Hz as it travels past the student at a constant speed. What is the speed of the train? Assume that the velocity of sound is 330.0 m/s
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http://www.glenbrook.k12.il.us/gbssci/Phys/Class/waves/u10l2d.html
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