Question

Help with vector addition problem ?

Answer 1

i've been trying to get help all day for this, is it really that hard... ?

Answer 2

Hi do you know how to do this ? lol

Answer 3

hi are you working on it, cause im waiting for you lol.

Answer 4

is it approx. 22 ?

Answer 5

correction vector OB=vector A+vector B

Answer 6

is it approximately 22 ?

Answer 7

for the first part.

Answer 8

\[\cos 30=\frac{ 8^2+15^2-OB^2 }{ 2*8*15 }\]

Answer 9

the angle is 150, not 30...

Answer 10

180-30 = 150