Asked by H.Pales

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?

Answered by bobpursley
the x component will be +- sqrt (95^2-40^2) according to Pythagoras
Answered by H.Pales
how did you get that as the answer though??
Answered by H.Pales
and wat is this +-sqrt thing mean?
Answered by bobpursley
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.
Answered by H.Pales
55, -55 i had my friend help me
Answered by H.Pales
nvm shes wrong
Answered by H.Pales
plzzzzzzz BOB PURSLEY HELP ME
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