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Illustration Mechanical momentum of a spaceship

Mechanical momentum of a spaceship
Mechanical momentum of a spacecraft
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A spaceship of mass \(m\) flying with velocity \(v\) has a (mechanical) momentum \(p\):$$ \boldsymbol{p} ~=~ m \, \boldsymbol{v} $$

The momentum, as a vector quantity, points in the same direction as the velocity vector of the spaceship.