You are given a vector in the plane that has a magnitude of 86.0 units and a component of -30.0 units.

What are the two possibilities for its component?

2 answers

sqrt (x^2+y^2)= 86
x^2 + y^2 = 7396
900 + y^2 = 7396
y = +/- 80.6
ohh.. now i've got it
thank you