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Say its x component has a value of -15, and its y component also has a value of -15. what's the magnitude of this vector? what angle does it make with the positive x-axis?

Respuesta :

Magnitude = sqrt ( (-15)^2 + (-15)^2)

=  sqrt  450 =  21.21 to nearest hundredth

Angle it makes with the positive x axis  =  arctan  (-15/-15)

=  180 + 45

= 225 degrees  answer

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