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Uncertainty Propagation Exercises


  1. Apply error propagation rules to the following:
    1. Let A = 79.5 ± 0.6, B = 27.8 ± 0.4, and C = 54.6 ± 0.3. Evaluate F = A - B + C.
    2. Let A = -12.1 ± 0.2 and B = 3.45 ± 0.06. Evaluate F = A/B.
    3. Let A = 15.4 ± 0.2, B = 7.85 ± 0.03, and C = 6.24 ± 0.08. Evaluate F = A /(BC).
    4. Let R = 0.151 ± 0.005. Evaluate V = (4/3)R3.
    5. Let X = 14.75 ± 0.09. Evaluate Y = 3X½.
    6. Let θ = 27.5 ± 0.5°. Evaluate Y = sin(θ).
    7. Let λ = 3.51 ± 0.06. Evaluate N = e.
    8. Let x = 0.75 ± 0.03. Evaluate φ = arctan(x).

  2. Find algebraic expressions for the absolute error in the following:
    1. R = Acos(θ)
    2. N = N0e-λt
    3. F = A/B + C/D
    4. v = v0 + at
    5. d = v0t + ½at2
    6. X = Rtan2(θ)

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