... 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

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/s1 Answers · Science & Mathematics · 08/12/2019

... energy between two charges, in Joules U = kQ₁Q₂/

**r**Q₁ and Q₂ are the charges in coulombs...1 Answers · Science & Mathematics · 28/11/2019

... (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

...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