Posted by **Thomas** on Friday, May 28, 2010 at 10:05am.

If |u| = 10, |v| = 8, and the angle formed between them is 60°, then u · v = .

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**bobpursley**, Friday, May 28, 2010 at 11:25am
What is 80 cos60?

- Vectors -
**Damon**, Friday, May 28, 2010 at 8:01pm
80 cos 60 = 40

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