How to calculate?

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2 similar but unrelated problems:

1) If Saturn has a mass 95.2 times that of Earth, and a radius 9.47 times that of Earth, what is the escape speed for objects on the surface of Saturn (in km/s)?

2) What is the escape speed for a rocket leaving the moon if the acceleration of gravity on the moon is 0.166 times that on earth and the moon's radius is 0.273 RE (in km/s)?

2006-11-17 03:53:05 · 2 answers · asked by Dee 4 in Science & Mathematics ➔ Physics

what formula is used to calculate?

2006-11-17 04:10:30 · update #1

2 answers

escape speed for saturn is 35.49 km/sec and for the moon it is 2.38 km/sec

2006-11-17 04:05:43 · answer #1 · answered by wingcommander55 1 · 0⤊ 0⤋

Go to http://en.wikipedia.org/wiki/Escape_velocity. Gone down to the "Calculating an escape velocity" section.

2006-11-17 06:54:59 · answer #2 · answered by sojsail 7 · 0⤊ 0⤋