Gandalf the Grey started in the forest of Mirkwood at a point with the point with coordinates (-2,1). If he began walking in the direction of the vector v= coordinates (-3,-2) and arriwed in the Iron Hills at 4i+2j and changes direction anly right angle, what are the coordinates of the point where he makes the turn. once, when he turns at a

Algebra & Trigonometry with Analytic Geometry
13th Edition
ISBN:9781133382119
Author:Swokowski
Publisher:Swokowski
Chapter8: Applications Of Trigonometry
Section8.4: The Dot Product
Problem 32E
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18.
Gandalf the Grey started in the forest of Mirkwood at a
point with
the point with coordinates (-2,1). If he began walking in
coordinates (-3,-2) and arrwed in the Iron Hills at
the
direction of the vector v= 4i+2j and changes direction anly
once, when he turns at a
right angle, what are the
cordinates of the point where he makes the turn.
Transcribed Image Text:18. Gandalf the Grey started in the forest of Mirkwood at a point with the point with coordinates (-2,1). If he began walking in coordinates (-3,-2) and arrwed in the Iron Hills at the direction of the vector v= 4i+2j and changes direction anly once, when he turns at a right angle, what are the cordinates of the point where he makes the turn.
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