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March 1, 2015

March 1, 2015

Posted by **Fiona** on Friday, September 14, 2012 at 9:51am.

Answer: ____ km from the flagpole due (east, west, south or north)

- Physics -
**drwls**, Friday, September 14, 2012 at 10:06amXa= -2.4 + 8.4 t

Xb = 2.2 - 7.4 t

(positive direction is east)

Set Xa = Xb and solve for t (in hours). Use that to calculate Xa or Xb at that time.

-2.4 + 8.4t = 2.2 -7.4 t

t = 0.291 hours = 17.5 minutes

Xa = Xb = 0.047 km (east of flagpole)

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