The problem that follow involve straight-line motion. The time t is in seconds unless otherwise stated.
Problem
In terms of a particular reference frame, the position of the center of mass of the F-14 at the lime shown (t = 0) is r = 10i + 6j + 22k (m). The velocity from t = 0 to t = 4 s is v = (52 + 6t)i + (12 + t2)j – (4 + 2t2)k (m/s). What is the position of the center of mass of the plane at t = 4 s?
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