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January 25, 2015

January 25, 2015

Posted by **G** on Thursday, September 9, 2010 at 3:43pm.

- Phyics -
**drwls**, Thursday, September 9, 2010 at 4:45pmDisplacement = (final vector location) - (initial vector location)

= (-16 sin45 j + 16 cos45 i) - 13 i

= -24.3i + 11.3 j

Which means it moved 24.3 km west and 11.3 km north. "i" and "j" are unit vectors east and north.

The magnitude of the displacement is sqrt[(24.3)^2 + (11.3)^2] = 26.8 km

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