... the drag coeff (0.5 for a sphere) A the cross-section area PI*

**r**^2 in m^2 ρa the density of air equal to 1.25 kg/m^3 V the speed in m/sec...3 Answers · Science & Mathematics · 29/11/2019

... If the inductance L is 1.1 mH and the resistance

**R**is 20 Ω, f = 1/(2π√(LC)) = 760000 2π√(LC) = 1/760000...3 Answers · Science & Mathematics · 21/11/2019

...22.28 rad/s [ans c] Centripetal acceleration = ω²r ... ... ... [

**r**= radius of circular motion (for the point)] ... ... ... = (6.66)² (0.359) ... ... ... [35...1 Answers · Science & Mathematics · 12/11/2019

equivalent translating mass of pulley mpe = mp/2 = 4.66/2 = 2.33 kg acceleration a = mb*g/(mb+mpe) = 5.5*9.81/(5.5+2.33) = 6.89 m/sec^2 drop h = a/2+t^2 = 6.89/2*2.17^2 = 16.2 m angular acceleration α = a/

**r**= 6.89/0.376 = 18.3 rad/sec^21 Answers · Science & Mathematics · 21/11/2019

...the centripetal force is equal to the maximum static friction force: f = mv²/

**r**5810 N = 1977kg * v² / 57.0m solves to max v = 12.9 m/s ◄ or...1 Answers · Science & Mathematics · 13/11/2019