Answer to Question #317974 in Classical Mechanics for Johannes Steven

Question

4. Let vectors 𝑨=𝑛𝑖̅−3𝑗̅+2𝑘 and 𝑩 =3𝑖̅−2𝑗̅+3𝑘

(a) Find the scalar product of the two vectors.

(b) For n = 3, find the cross product of the two vectors. (4) (c) For n = 1, use the cross product to find the angle between the two vectors.

5. A vector 𝑹 has a direction of 30 with respect to the y-axis. Draw this vector and find

its x and y components if its magnitude is 7 m.

Answer 1

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