100 Facts Penguins- Arctic Birds, Cold Climate Wildlife, Educational Projects, Fun Activities, Q

100 Facts Penguins- Arctic Birds, Cold Climate Wildlife, Educational Projects, Fun Activities, Q

» » Matematika pake cara ya, nanti di follow ​

Matematika pake cara ya, nanti di follow ​

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pake cara ya, nanti di follow ​

Panjang gelombang (λ)

= 30 cm/1,5

= 20 cm

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v = λ/T

T = λ/v

T = 20 cm/10 cm/s

T = 2 s

opsi C

[answer.2.content]
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