calculate the minimum energy required to launch a 250kg satellite from earth's surface in a circular orbit at an altitude of 2R and R is the radius of the earth ?(Re=6400km, Me=6*10^24) ******no links pls****** Share with your friends Share 4 Vaibhav T. answered this Dear Student, Ef=-GMm6REi=-GMmR∆W=Ef-Ei∆W=-GMm6R--GMmR∆W=-GMm+6GMm6R∆W=5GMm6R∆W=5×6×1024×2506×6400×103∆W=1.95×1020 J -1 View Full Answer