Homework Help: college physics

Posted by caitlin on Tuesday, September 28, 2010 at 1:15pm.

Given the vectors = 2.00 + 8.00 and = 4.00 - 5.00, do the following.
(a) Draw the vector sum = + and the vector difference = - . (Do this on paper. Your instructor may ask you to turn the paper in.)

(b) Calculate and , first in terms of unit vectors.

Calculate and in terms of polar coordinates, with angles measured with respect to the +x axis.

college physics - bobpursley, Tuesday, September 28, 2010 at 1:17pm
vectors have direction. YOu have specified no directional vectors in your vectors.
college physics question corrected - caitlin, Tuesday, September 28, 2010 at 1:24pm
Given the vectors A = 2.00i + 8.00j and B = 4.00i - 5.00j, do the following.
(a) Draw the vector sum C= A+ B and the vector difference D= A- B.
(b) Calculate C and D, first in terms of unit vectors.

Calculate C and D in terms of polar coordinates, with angles measured with respect to the +x axis.

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