Question:

A skylab of mass m kg is first lauched from the surface of

Last updated: 6/2/2023

A skylab of mass m kg is first lauched from the surface of

A skylab of mass m kg is first lauched from the surface of the earth in a circular orbit of radius 2R from the centre of the earth and then it is shifted from this circular orbit to another circular orbit of radius 3R The minimum energy required to place the lab in the first orbit and to shift the lab from first orbit to the second orbit are 3 1 mgr mgR 6 3 maR maR 2 mgR 3 4 mgR 12 4 2mgR mgR