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Physics 18 Online
OpenStudy (jbo11):

How do I find magnitude and direction of net impulse? I think I found change of momentum. Is it the same?

OpenStudy (anonymous):

Yep, it's the same. The change is momentum is define so that: \(\ \Delta tF_{net} = \Delta p\) The left-hand side is impulse. The direction of the impulse is the same to that of the\(\ F_{net}\).

OpenStudy (jbo11):

So what's the difference between net impulse and impulse?

OpenStudy (anonymous):

It is referred as just impulse. The impulse is the net force applied during a time t. The longer is the time that the force is applied to a system, the greater is the change in momentum it experiences. In situation where the mass doesn't change, the only change experienced by the system (the object) is in velocity.

OpenStudy (jbo11):

Thank you!

OpenStudy (anonymous):

You're welcome (:

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