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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 xaxis: 90km @60° E of N + 110km @ 15° S of E (Express answers to three significant figures.
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 xaxis: 90km @60° E of N + 110km @ 15° S of E (Express answers to three significant figures.

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freckles
 one year ago
Best ResponseYou've already chosen the best response.1so you are having trouble evaluating: (2i+6j)+(3i3j)

freckles
 one year ago
Best ResponseYou've already chosen the best response.1just think of it as combining like terms

anonymous
 one year ago
Best ResponseYou've already chosen the best response.0That's what i thought but i wasn't quite sure. thank you. i was more concerned with the second one. :)

anonymous
 one year ago
Best ResponseYou've already chosen the best response.0here's a screenshot of the problem.

anonymous
 one year ago
Best ResponseYou've already chosen the best response.0For #1, basically combining like terms, did you get 9j+1i or 5i+3j?
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