Velocity depends on the straight-line distance between your start-point and your end-point, regardless of what route you follow to get there.
If you stop at the same point where you started, then that distance is zero, no matter how far you drove before you returned to your start-point.
So the average velocity around any "CLOSED" path is <em>zero. (A)</em>
Answer:
Explanation:Magnetism is a class of physical attributes that are mediated by magnetic fields. Electric currents and the magnetic moments of elementary particles give rise to a magnetic field, which acts on other currents and magnetic moments. Magnetism is one aspect of the combined phenomenon of electromagnetism.
Answer:
Both nuclear fission and nuclear fusion produce energy from
matter
:D
Answer:
the is D
Explanation:
An action-reaction force pair