9. V2i + V2j 11. Velocity vector v = 10. -i – j (-2 sinf)i + (2cost)j when t = 7/2. 12. Velocity vector v = (e cost – e' sint)i + (e'sint + e cos t)j when t = In 2.
9. V2i + V2j 11. Velocity vector v = 10. -i – j (-2 sinf)i + (2cost)j when t = 7/2. 12. Velocity vector v = (e cost – e' sint)i + (e'sint + e cos t)j when t = In 2.
9. V2i + V2j 11. Velocity vector v = 10. -i – j (-2 sinf)i + (2cost)j when t = 7/2. 12. Velocity vector v = (e cost – e' sint)i + (e'sint + e cos t)j when t = In 2.
Express the vectors in Exercises 9–12 in terms of their lengths and directions.
Transcribed Image Text:9. V2i + V2j
11. Velocity vector v =
10. -i – j
(-2 sinf)i + (2cost)j when t = 7/2.
12. Velocity vector v = (e cost – e' sint)i + (e'sint + e cos t)j
when t = In 2.
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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