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Physics 18 Online
OpenStudy (anonymous):

A 14 kg rock starting from rest free fall through a distance of 5.0 m with no air resistance. Find the momentum change of the rock caused by its fall and the resulting change in the magnitude of earths velocity. Earths mass is 6.0x10^24 kg show all your work assuming the rock earth system is closed

OpenStudy (anonymous):

formula description and solution at http://hyperphysics.phy-astr.gsu.edu/hbase/Flobi.html

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