A space probe is to be placed in a circular orbit of 5600-mi radius about the planet Venus in a…

A space probe is to be placed in a circular orbit of 5600-mi radius about the planet Venus in a specified plane. As the probe reaches A, the point of its original trajectory closest to Venus, it is inserted in a first elliptic transfer orbit by reducing its speed of ∆vA. This orbit brings it to point B with a much reduced velocity. There the probe is inserted in a second transfer orbit located in the specified plane by changing the direction of its velocity and further reducing its speed by ∆vB. Finally, as the probe reaches point C, it is inserted in the desired circular orbit by reducing its speed by ∆vC. Knowing that the mass of Venus is 0.82 times the mass of the  the probe approaches A on a parabolic trajectory, determine by how much the velocity of the probe should be reduced (a) at A, (b) at B, (c) at C.

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