Physics Homework Solutions
Problem
#1377

Getting used to vectors with this problem.

Three vectors  have the same length (L) and form an equilateral triangle. Find the magnitude and direction of the vectors:
(a)A+B
(b)A-B
(c)A+B+C
(d)A+B-C.  

Please see attachment below for figure.

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SQ1.pdf
Questions are taken from the course book 'Physics with modern physics', Richard Wolfson & J.
M. Pasachoff,
Questions taken from course book pp 60 - 63

Three vectors A, B and C have the same length L and form an equilateral triangle, shown here
as fig. 1. Find the magnitude and direction of the vectors (a) A + B,(b) A - B,
( c) A + B + C , ( d ) A + B - C .


B A
Figure 1


C
Solution
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