Mathematics, 08.05.2021 18:00 hezekiahmharris
A particle has a position vector r, where r = 4i − 5j and i and j are unit vectors in the directions east and north respectively.
(a) Sketch r on a diagram showing i and j and the origin O.
(b) .
(c) Write down the vector that has the same direction as r and three times its magnitude
Answers: 2
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A particle has a position vector r, where r = 4i − 5j and i and j are unit vectors in the directions...
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