# A question on momentum.

1. Jan 16, 2012

### xLuvux

1. A 45kg sprinter runs at 12 m/s for a short distance. What is his momentum?

2. p=m*v

3. p= (45kg)(12m/s)
p= 540

I'm not sure if I did it right. & am I supposed to include unit(s) after 540?

Last edited: Jan 16, 2012
2. Jan 16, 2012

### Delphi51

Looks good! Yes, the units should be included. kg⋅m/s

3. Jan 16, 2012

Thank you.