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  1. let M = 120 g = 0.12 kg m = 33 g = 0.033 kg R = 8.5 cm = 0.085 m moment of inertia of hallow cyllinder = M* r ^2 = 0.12*0.085...

    1 Answers · Science & Mathematics · 17/12/2020

  2. ...moment of inertia in kg•m²I = cMR²    M is mass (kg), R is radius (meters)    c = 1 for a ring or hollow cylinder    c = 2/5...

    1 Answers · Science & Mathematics · 17/12/2020

  3. ...(g-a) and T₂ = m₂(g+a), so T₁R = T₂( R /2) => m₂ = 2m₁(g-a))/(g+a) if the system is stationary a...

    2 Answers · Science & Mathematics · 16/12/2020

  4. F = GMm/ r ^2 = mg/25  -- > r = sqrt(25*GM/g) Now note that g = GM/ R ^2   where R = radius of earth so r = 5*sqrt(GM/(GM/ R ^2)) = 5R = 5*6367 km = 31890 km

    1 Answers · Science & Mathematics · 25/01/2021

  5. ...kg–1⋅s–2 m₁= mass of object 1 (kg) m₂= mass of object 2 (kg) r = distance between centers of the masses (m)

    1 Answers · Science & Mathematics · 16/12/2020

  6. R *n = 98 R /n = 2  R = 2n 2n*n = 98 n = √ 98/2 = 7  R = 14 ohm  check :  14*7 = 70+28 = 98 ohm 14/7 = 2 ohm 

    1 Answers · Science & Mathematics · 16/12/2020

  7. mass M = 6.42*10^23 kg  radius r = 3.40*10^6 m  Vo^2*(3.40+0.12)*10^6 = 6.42*10^23*6.67*10^-11  Vo = √ 6.42*10^23*6.67*10^-11 / ((3.40+0.12)*10^6) = 3490 m/sec 

    2 Answers · Science & Mathematics · 16/12/2020

  8. m = mass of bead, q = charge on bead, d = distance between plates, A = pi* r ^2 where r = radius of plate Since the bead is suspended the...

    1 Answers · Science & Mathematics · 16/12/2020

  9. ...'ll let you do the calculation... see below ]  θ = S / r     but  S is hard to calculate , I think  [ S =  arc length...

    1 Answers · Science & Mathematics · 14/12/2020

  10. ... acceleration isa = Vdθ/dt = ω²r = Vω = V²/ r    V is the tangental velocity in m/s   r is radius of circle in...

    1 Answers · Science & Mathematics · 18/12/2020

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