Homework Help: physics

Posted by Kathy on Sunday, September 26, 2010 at 7:14pm.

You are given a vector in the xy plane that has a magnitude of 100.0 units and a y component of -45.0 units. What are the two possibilities for its x component?

physics - bobpursley, Sunday, September 26, 2010 at 7:17pm
100^2=x^2+45^2
solve for x

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