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MCS,PHD
Argosy University/ Phoniex University/
Nov-2005 - Oct-2011
Professor
Phoniex University
Oct-2001 - Nov-2016
Escape velocity
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(a) Find the escape velocity (that is, the velocity above which a particle will escape to r = ∞) for a particle on a spherical planet of radius R and mass M. What is the numerical value for the earth? The moon? The sun?
(b) Approximately how small must a spherical planet be in order for a human to be able to jump off? Assume a density roughly equal to the earth’s.
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