Question

Jawab !!!!!!!!!! itu 7,5 cm

Answer 1

Verified answer

A. Panjang gelombang = 40 cm

b.
Pertama cari T (periode) -nya:
= 0,5 / 2
= 0,25 s
Kemudian cari F-nya:
F = 1/T
F = 1/0,25
F = 4 Hz

c.
T = 0,25 s

d.
v = lambda x F
v = 40 x 4
v = 160 cm/s