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"Non-Gravitational Acceleration" Of Interstellar Object 3I/ATLAS Explained In New Study

Astronomers have attempted to explain the non-gravitational acceleration of comet 3I/ATLAS, our third confirmed interstellar ...
Purdue University

Zero velocity vs. zero acceleration

If the angular velocity of a link in a mechanism is zero, does this imply that the angular acceleration of that link is also zero? The short answer to that question is NO. If ω(t) represents the ...