Posted by **H.Pales** on Monday, October 6, 2008 at 5:56pm.

You are given a vector in the xy plane that has a magnitude of 95.0 units and a y component of -40.0 units. What are the two possibilities for its x component?

- Physics -
**bobpursley**, Monday, October 6, 2008 at 6:12pm
the x component will be +- sqrt (95^2-40^2) according to Pythagoras

- Physics -
**bobpursley**, Monday, October 6, 2008 at 6:21pm
Have you ever heard of Pythagoras and his theorem on right triangles? sqrt means square root.

I am wondering how one does vectors in the Cartesian plane without Pythagoras? Even Rene Descartes used it.

- Physics -
**H.Pales**, Monday, October 6, 2008 at 6:30pm
nvm shes wrong

- Physics -
**H.Pales**, Monday, October 6, 2008 at 6:27pm
55, -55 i had my friend help me

- Physics -
**H.Pales**, Monday, October 6, 2008 at 6:38pm
plzzzzzzz BOB PURSLEY HELP ME

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