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  1. ... we can apply the angular equivalent  τ = Iα (T₂ - T₁)R = I(a/R) I = (T₂ - T₁)R²/a = (156.2...

    3 Answers · Science & Mathematics · 11/12/2019

  2. What is the reference frame for the angle? I'll assume that it is measured from vertical tanθ = (v²/r) / g = v² / rg v² = rgtanθ  v² = 0.450(9.81)tan25 v² = 2.0585 v = 1.43 m/s

    1 Answers · Science & Mathematics · 08/12/2019

  3. ... energy between two charges, in Joules U = kQ₁Q₂/r    Q₁ and Q₂ are the charges in coulombs...

    1 Answers · Science & Mathematics · 28/11/2019

  4. ...  (d) What is the current through the resistor? I = E/R = 5.8 v / 12.1 Ω = 0.479 A  What is the current through...

    2 Answers · Science & Mathematics · 28/11/2019

  5. ...of inertia of the rotating masses Jr , therefore : Ts*r = Jr*α ..(α being the angular acceleration and equal to a/r) m*g = m...

    2 Answers · Science & Mathematics · 26/11/2019

  6. see attached figure...

    1 Answers · Science & Mathematics · 24/11/2019

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