Question

Apabila seitas dawai yg pnjngny 60cm brgetar dgn nada atas pertama 250Hz, maka cepat rambat gelombang di dawai adalah?
a.125m/s
b.150m/s
c.4,16m/s
d.o,24m/s
e.0,42m/s ?

Answer 1

Fn = (n-1/2) × v/l
250 = (1-1/2) v /0.6
v= 150
maap kalo salah

Answer 2

F1= 1/2 V/l
250= 1/2. V/0.6
V= 250 . 0.6
= 150 m/s