13.6. Gravitational potential energyPotential energy and force:2PHYS 2101, P.M.Shikhaliev LSU, Fall 2010rmM–potential energy–Gravitational force
13.6. Gravitational potential energySpeed needed to escape Earth gravity:3PHYS 2101, P.M.Shikhaliev LSU, Fall 2010rmM–at infinity total energy is zero–minimum speed that is needed for escape–potential energy at Earth surface–kinetic energy that is needed for escape
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