[问答题]
A wave whose wavelenof f2c 3wgki.5gthc-thl0:p6 d.qu1c gkg is 0.500 m is traveling down a 500 m long wire whose total:g qthl0c6. gup1c d-k mass is 25.0 kg. The wire is under a tension of 2000 N. (a) Determine the velocity of the wave on the wire. (b) Determine the frequency of this wave.