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anonymous

  • one year ago

A = 2i + 6j and B = 3i - 3j find 1. Add vectors A and B. 2. Give the magnitude and Angle of direction from the x-axis: 90km @60° E of N + 110km @ 15° S of E (Express answers to three significant figures.

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  1. freckles
    • one year ago
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    so you are having trouble evaluating: (2i+6j)+(3i-3j)

  2. freckles
    • one year ago
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    just think of it as combining like terms

  3. anonymous
    • one year ago
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    That's what i thought but i wasn't quite sure. thank you. i was more concerned with the second one. :)

  4. anonymous
    • one year ago
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    here's a screenshot of the problem.

  5. anonymous
    • one year ago
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    For #1, basically combining like terms, did you get 9j+1i or 5i+3j?

  6. anonymous
    • one year ago
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    @freckles ^^

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