Asked by shelby
At what speed should a space probe be fired from the earth if it is required to still be traveling at a speed of 3.48 km/s, even after coasting to an exceedingly great distance from the planet (a distance that is essentially infinite)?
Answers
Answered by
bobpursley
Figure the work it takes to move an object from Earths surface to infintity, then add the remaining KE you want.
Work=INT GMe*m dr/r^2 + m 3.48^2
Set that equal to the KE at Earths Surface, mv^2, and solve for v.
Work=INT GMe*m dr/r^2 + m 3.48^2
Set that equal to the KE at Earths Surface, mv^2, and solve for v.
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