Thank you for you reply,
Yeah, I understood the first one thanks to the website you posted.
first question answer: a) A . B = 0 and A × B ≠ 0
and the answer for the second one is ' C= 17.5 + 0 '
Thanks (*
Actually I have two questions
Homework Statement
Vectors A and B are shown on the figure below. Which one of the
following statements is correct?
a) A . B = 0 and A × B ≠ 0
b) A . B ≠ 0 and A × B = 0
c) A . B ≠ 0 and A × B ≠ 0
d) A . B = 0 and A × B = 0
Picture: http://i.imgur.com/X0GB9.png...
For the second part use Vf = Vi + at
just as Doc Al said; be careful with the signs ( Vf and Vi )
You can also use this equation yf = yi + Vi(t) + 0.5at^2
Is E22.3 N the same as ( 22.3 east of north ) ?
Is it
This angle
| /
| /
| /
| /
-----------------x
or this one
|
|
|
|
|_____------- this angle
-----------------
the question is " A wind with a velocity of 40.3 KM/H blows [E22.3 N]. What is the north component of the velocity in Km/h?
I...