Jump to content

Point of reference

From Wikipedia, the free encyclopedia
This is an old revision of this page, as edited by 2405:204:318c:5ae1:e7d1:df90:c579:23e8 (talk) at 16:30, 31 March 2017 (By giving more detailed answer). The present address (URL) is a permanent link to this revision, which may differ significantly from the current revision.

In order to describe the motion of an object