When the vector C⃗ is summed with the vector B⃗, the result is 9i ^ + 5j ^. Subtracting the vector B⃗ from the vector C⃗ results in 4i ^ −j ^. According to this: a) Show the vectors B⃗ and C⃗ in the unit vector notation. b) Determine the magnitude and direction (angle between C⃗ and the positive x-axis) of the vector C⃗. c) Find the scalar product (B⃗ .C⃗) of the vectors B⃗ and C⃗.

Physics for Scientists and Engineers: Foundations and Connections
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ISBN:9781133939146
Author:Katz, Debora M.
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Chapter14: Static Equilibrium, Elasticity, And Fracture
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When the vector C⃗ is summed with the vector B⃗, the result is 9i ^ + 5j ^. Subtracting the vector B⃗ from the vector C⃗ results in 4i ^ −j ^. According to this: a) Show the vectors B⃗ and C⃗ in the unit vector notation. b) Determine the magnitude and direction (angle between C⃗ and the positive x-axis) of the vector C⃗. c) Find the scalar product (B⃗ .C⃗) of the vectors B⃗ and C⃗.

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