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- Persamaan
Persamaan simpangan
y = 5 sin (10t) seperti inikah ?
Persamaan kecepatan
v = y'
= 50 cos (10t)
untuk t = 6 s
v(6) = 50 cos (10·60) sudut dalam rad
= 50 cos (600/2π) sudut dalam °
= - 4,79 cm ← jawaban