Posted by **Kait** on Thursday, September 13, 2007 at 9:18pm.

Calculate the resultant of the pair of velocities 100km/h north and 75 km/h south. Calculate the resultant if both of the velocities are directed north.

How do you do that

- Physics -
**bobpursley**, Thursday, September 13, 2007 at 9:24pm
You add vectors. If both are N, then 175km/n is the resultant. If one is S, it is the same as adding a negative N, so add 100km/h N + -75km/hr N

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