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January 25, 2015

January 25, 2015

Posted by **Elisa** on Monday, June 2, 2008 at 7:42pm.

(a) In straight-line distance, how far is city C from city A?

(b) Relative to city A, in what direction is city C?

The answer is: 17.8 degrees north of west

I received help with this question before, but I keep getting the wrong answer for (a).

- physics -
**drwls**, Monday, June 2, 2008 at 8:03pmShow us what you did.

- physics -
**Elisa**, Monday, June 2, 2008 at 8:39pmokay: I got the vector from A to B and then the vector from B to C to get the distance from A to C.

I got 200.00 from the vector from A to B and then 280.00 from the vector from B to C. I added them, but the answer is incorrect.

For A to B: I did 200cos30.5

200sin30.5

Then I did the pythagorean and got 200.00

For B to C: I did 280cos17.8

280sin17.8

Pythagorean and got 280.

- physics -

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