Lagrangian Dynamics of Central Force, Conservation of Angular Momentum, Kepler's Second Law

[@rashidndungu96]

thank you so much for simple explanation!!!!!!!!!!!!!!!!!!!!!!!!!!!!!

[@password6975]

Thankyou so much

[@solamisandwich05]

09:31 Why r dot after the product rule?

[@Twitledum9]

Chain rule --> d/dt (r^2) = 2*r * (dr/dt)