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# vectors

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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.

##### Solution Summary

Getting used to vectors is encouraged. The vectors with the same length to form an equilateral triangle is examined. The magnitude and direction of the vectors are calculated.

##### Solution Preview

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Questions are taken from the course book 'Physics with modern physics', Richard Wolfson & J.
M. Pasachoff, pp 60 - 63
Three vectors have the same length L and form an equilateral triangle, shown here
as figure 1. Find the magnitude and direction of the vectors å, ,
, .
å
A å
B Cå , and
(a) å
A + å
B(b) å
A − å
B
(c) å
A + å
B + Cå (d) å
A + å
B ...

##### Classical Mechanics

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