Dik
V = 340 m/s
f = 40 Hz
Dit
a. λ ?
b. T?
C. n = 100 gelombang t?
d. t = 2 mnt n?
A. Cepat rambat = v = λf
λ = v ÷ f
= 340 ÷ 40
= 8,5 m
Jadi panjang gelombang 8,5 m
B. T = 1/f
= 1/40
= 0,025 s
Periodenya 0,025 s
C. T = t ÷ n
t = T × n
= 0,025 × 100
= 2,5 s
D. t = 2 menit = 120 s
T = t ÷ n
n = t ÷ T
= 120 ÷ 0,025
= 4.800 getaran
Kategorisasi
Kelas : VIII
Mapel : Fisika
Materi : Getaran
Kode Kategorisasi : 8.6.4
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Dik
V = 340 m/s
f = 40 Hz
Dit
a. λ ?
b. T?
C. n = 100 gelombang t?
d. t = 2 mnt n?
A. Cepat rambat = v = λf
λ = v ÷ f
= 340 ÷ 40
= 8,5 m
Jadi panjang gelombang 8,5 m
B. T = 1/f
= 1/40
= 0,025 s
Periodenya 0,025 s
C. T = t ÷ n
t = T × n
= 0,025 × 100
= 2,5 s
D. t = 2 menit = 120 s
T = t ÷ n
n = t ÷ T
= 120 ÷ 0,025
= 4.800 getaran
Kategorisasi
Kelas : VIII
Mapel : Fisika
Materi : Getaran
Kode Kategorisasi : 8.6.4