Question

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

Answer 1

\[\vec u \cdot \vec v = |\vec u||\vec v|\cos(\theta)\]

Answer 2

Plug in all your givens and solve

Answer 3

10*8*0.5

Answer 4

40?

Answer 5

yeap

Answer 6

thank you