As shown on the coordinate system, points A and B have the following distances f

Question

As shown on the coordinate system, points A and B have the following distances from the origin: xa= 80.0 , za= 60.0 , xb= 92.0 ,yb = 41.0 , and zb= 41.0 .

Describe the location and position vector of point A from the origin? Use appropriate notation for the location and position vector of a point.

As shown on the coordinate system, points A and B have the following distances from the origin: xa= 80.0 , za= 60.0 , xb= 92.0 ,yb = 41.0 , and zb= 41.0 . Describe the location and position vector of point A from the origin? Use appropriate notation for the location and position vector of a point.

Explanation / Answer

A =-xa i -za k/xa2+za2

=-80i -60k/802 + 602

=-0.8i -0.6j

B=xb i -ybj + zbk/xb2 +yb2 +zb2

92 i -41j +41k /912 +412 +412

=0.846i-0.423j +0.423 k

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