*4.18 A lunar probe is given just escape speed at burnout altitude of .2 DUg and flight-path angle of 45°. How long will it take to get to the vicinity of the moon (r, = 60 DU) disregarding the Moon's gravity? (Ans. TOF = 219.6 TUJ %3D

*4.18 A lunar probe is given just escape speed at burnout altitude of .2 DUg and flight-path angle of 45°. How long will it take to get to the vicinity of the moon (r, = 60 DU) disregarding the Moon's gravity? (Ans. TOF = 219.6 TUJ %3D

Stars and Galaxies

9th Edition

ISBN:9781305120785

Author:Michael A. Seeds, Dana Backman

Publisher:Michael A. Seeds, Dana Backman

Chapter5: Gravity

Section: Chapter Questions

Problem 15P

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Concept explainers

Central Force

Central force is the force that acts along the center of mass of one body to the center of mass of another body. Its direction from or away from a point on a body to another is called the center of the force. Such forces include gravitational force between two massive objects or electrostatic forces between two charged particles. So from atoms to planets, the central forces play an important role in shaping our daily lives. One of the remarkable features of central forces is that they are conservative, i.e. the total energy of a central force system can always be expressed as a gradient of a potential energy function.

Question

*4.18 A lunar probe is given just escape speed at burnout altitude of
.2 DUg and flight-path angle of 45°. How long will it take to get to the
vicinity of the moon (r, =60 DU) disregarding the Moon's gravity?
(Ans. TOF = 219.6 TUÍ
%3D

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