SOLUTION: a) Two vectors (a) and (b) have an angle of 75° when placed tail to tail. If a=8
and b=11 then find the vector sum.
b) Determine a unit vector in the same direction as the vec
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-> SOLUTION: a) Two vectors (a) and (b) have an angle of 75° when placed tail to tail. If a=8
and b=11 then find the vector sum.
b) Determine a unit vector in the same direction as the vec
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Question 1200466: a) Two vectors (a) and (b) have an angle of 75° when placed tail to tail. If a=8
and b=11 then find the vector sum.
b) Determine a unit vector in the same direction as the vector sum from a).
You can put this solution on YOUR website! a) Two vectors (a) and (b) have an angle of 75° when placed tail to tail. If a=8
and b=11 then find the vector sum.
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It's a triangle with 2 sides and the included angle of 105 degs.
Use the Cosine Law:
r^2 = 8^2 + 11^2 - 2*8*11*cos(105)
r^2 = ~230.55
r = ~15.18
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b) Determine a unit vector in the same direction as the vector sum from a).
