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Verified answer
Diketahui:m = 20 kg
A = 1 m
k = 500 N/m
EM = ?
jawab:
EM=EP+EK
= 1/2 kA²sin²wt + 1/2 kA²cos²wt
=1/2 kA²(sin² wt + cos²wt)
=1/2 kA²(1)
=1/2 500(1)²
= 250 Nm
= 250 joule
catatan:
w = omega
maaf kalau salah
Verified answer
GHA = 1 m
k = 500 N/m.. seperti inilah satuan
Em = __?
Em = Ep maks
Em = ½ k A²
Em = ½ • 500 • 1²
Em = 250 J ← jwb