Calculating Impulse Based off a graph

[doctorjuice]

Homework Statement

What is the impulse on a 3.0 particle that experiences the force shown in the figure (Figure 1) ?
Figure 1:
http://session.masteringphysics.com/problemAsset/1382988/2/09.EX04.jpg

Homework Equations

Impulse equations, force equations, how they relate.

The Attempt at a Solution

I added the area above the x-axis for the time interval 2 to 8 and subtracted the areas from 0 to 2 and 8 to 10. This answer came out to be 5000 N s which is incorrect. I'm confused because I thought the integral of force (the area bounded by the force graph) is equal to impulse.

Help would be greatly appreciated.

 

[lewando]

Your result seems too large. s vs ms, perhaps?

 

[doctorjuice]

Your result seems too large. s vs ms, perhaps?

Yes! I can't believe I didn't think of that. Thank you!