What is the momentum of box when newtons acts on the box, Physics

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A box is initially at rest on a horizontal, frictionless table. If a force of 10 Newtons acts on the box for 3 seconds, what is the momentum of the box at the end of the 3 second interval?

Ans:

The momentum of box at the ending of the 3 second interval is 30 newton-seconds or   30 kilogram-meters per second.


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