Given vectors u =i+ 2j and v = 3i + yj, find y so that the angle between the vectors is 30°. ..... (Use a comma to separate answers as needed. Do not round until the final answer. Then round to three decimal places as needed.)

Given vectors u =i+ 2j and v = 3i + yj, find y so that the angle between the vectors is 30°. ..... (Use a comma to separate answers as needed. Do not round until the final answer. Then round to three decimal places as needed.)

Algebra & Trigonometry with Analytic Geometry

13th Edition

ISBN:9781133382119

Author:Swokowski

Publisher:Swokowski

Chapter8: Applications Of Trigonometry

Section: Chapter Questions

Problem 4DE

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Question

Given vectors u = i + 2j and v = 3i + yj, find y so that the angle between the vectors is 30

Quantities that have magnitude and direction but not position. Some examples of vectors are velocity, displacement, acceleration, and force. They are sometimes called Euclidean or spatial vectors.

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