19.A phone cord is 4.00m long. The cord has a mass of 0.200kg. If a transverse wave pulse travels fr
問題詳情
19.A phone cord is 4.00m long. The cord has a mass of 0.200kg. If a transverse wave pulse travels from thereceiver to the phone box in 0.100s, what is the tension in the cord? (A)50.0N (B)60.0N (C)70.0N (D)80.0N (E)90.0N