Newton second

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The newton second (symbol N s or N·s)[1] is the derived SI unit of impulse and momentum. It can also be expressed as the kilogram metre per second (kg·m/s). One newton second corresponds to a one newton force applied for one second.

\vec F \cdot t = \Delta m \vec v

It can be used to identify the resultant velocity of a mass if a force accelerates the mass for a specific time interval.