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August 20, 2014

August 20, 2014

Posted by **Lacey** on Friday, September 24, 2010 at 12:31pm.

You will now find the same quantity algebraically, without the need to use much geometry. Take the north direction as the positive y direction and east as positive x. The origin is still where the student starts biking.

Let d_vec_N be the displacement vector corresponding to the first leg of the student's trip. Express d_vec_N in component form.

Express your answer as two numbers separated by a comma (e.g., 1.0,2.0). By convention, the x component is written first.

- physics/ math -
**Lacey**, Friday, September 24, 2010 at 1:17pmI figured this out. For those that may need help with a question like this. Because of the North direction being the displacement vector... there was a 90 degree angle. So...

(1.1)(cos90) = 0

(1.1)(sin90) = 1.1

Answer: (0, 1.1)

- physics/ math -
**Anonymous**, Monday, October 4, 2010 at 11:56pmThat's wrong when you put it in.

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