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F = 35 satuan
Fx = 28 satuan
ditanya: Fy??
jawab:
F = √(Fx² + Fy²)
F² = Fx² + Fy²
35² = 28² + Fy²
Fy² = 35² - 28²
Fy² = 441
Fy = √441
Fy = 21 satuan
dapat deh :D
35 =
= 784 + b^{2} - 2x28x0
1225 = 784 + b^{2}
b^{2} = 1225 - 784
b^{2} = 441
b =
b = 21
Jadi, vektor yang lainnya besarnya 21 satuan...