Tolong dibantu ya terimakasih
Jawaban:
a.7,5cm
b. T = 0,8s, F = 1,25Hz
Penjelasan:
A-C = 15cm
1/2λ = 15cm
λ = 30cm
a.Amplitudo = A–C/2
= 15/2 = 7,5
b.
B-A = 0,2s
1/4 getaran = 0,2s
1 getarannya = B-A-B-C-B
maka :
1 getaran = 4×0,2s
1 getaran = 0,8s
T = 0,8s
F = 1/T
F = 1/0,8 = 1,25Hz