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INSTITUT TEKNOLOGI ADHI TAMA SURABAYA SURABAYA, 8 DESEMBER 2009
PERTEMUAN KESEMBILAN INSTITUT TEKNOLOGI ADHI TAMA SURABAYA SURABAYA, 8 DESEMBER 2009
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FORMULASI MATEMATIKA X = 0 A X(t) v(t) t a(t) x T A t -A
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TENAGA GETARAN SELARAS
K + U = Kmax = Umax = ½ K A2 = E tenaga (a) U = Umax cos2 ω t K = Kmax sin2 ω t t T 2 Kmax = Umax = ½ K A2 = E tenaga (b) K(x) = ½ m v2 U(x) = ½ K x2 x -A A
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BANDUL (PENDULUM) a. Bandul Sederhana b. Bandul Fisis c. Bandul Puntir
penjepit tetap l L o θ P o m g R P Q θm 2θm dx o o 10o L x 3 m g Massa per satuan panjang = m/L = λ (a) (b)
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SOAL LATIHAN 8 DESEMBER 2009
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m x x0 (b) m (a) L= 50 cm a = 7 m/s m
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