George asks…
How can I find directions for places in Europe?
I am doing a project for History and I need to plan a trip for places scattered through Europe and I need to know whats a site I can use to find directions? For instance Madrid, Spain to Paris, France.
I tried Mapquest but I couldn’t figure it out.
Nagesh answers:
Http://maps.google.com/ – get directions option on the left of the page
http://www.viamichelin.com
Michael asks…
funny one direction jokes?
my last hour class tends to make fun of one direction alot but we need some new jokes the best one we came up with goes like this
how many ways is there to get out of a closet? one direction
Nagesh answers:
Shit falls one direction.
What do you do when you find 5 guys in bed? Walk away in one direction
Gays can only be found in one direction.
What direction do homosexuals walk? One direction to hell.
When 5 dicks get together, there’s only one direction to go.
Sorry if they are lame. I don’t really know the band. I just saw they were a boy band and looked like Justin Bieber, and shut the video off. ^_^ I also never tell jokes. 😛
Mandy asks…
Vector Calculus, norm and direction?
Find the vector with norm of:
10sqrt(2)
in the direction opposite of:
3i + 4j – 5k
Nagesh answers:
Vector in the direction opposite to v is -v.
So a vector in the direction opposite to 3i + 4j – 5k is -(3i + 4j – 5k) = -3i -4j + 5k
We now calculate a unit vector in this direction by dividing by the norm.
=√((-3)^2+(-4)^2+5^2) = √75 = 5√3
So a UNIT vector (norm 1) in the direction we want is
(-3i -4j + 5k) / 5√3
But we want a vector of norm 10√2. That will be 10√2 times the unit vector
10√2 / 5√3 (-3i -4j +5k)
= 2√2/√3 (-3i -4j +5k)
You can, of course, multiply the factor into each component if that’s required.
Carol asks…
anatomy in zoology: cardinal and ordinal directions?
1. differentiate cardinal directions to ordinal directions
2. illustrate cardinal direction
Nagesh answers:
Cardinal directions in anatomy divide the body into equal halves in three planes. Sagittal Plane: divides the body into left and right halves; Frontal or Coronal Plane: divides the body into front and rear portions; Transverse Plane: divides the body into top (superior) and bottom (inferior) portions.
Ordinal directions are “in between”: for example, the nose is anteromedial to the ear.
Linda asks…
Physics( Direction of cross product)?
if a= (3,1,-3) and b is (0, 0, -32). axb. What is its direction? And how do i get it? I already get axb=(-32,96,0). Thanks
Nagesh answers:
The direction is as it appears: 32 in the negative x direction, 96 in the positive y direction and 0 in z, so the cross product lies in the x-y plane, 2nd quadrant.
Or, you can apply the right-hand rule: using your right hand, point your index finger in the direction of a and your second finger in the direction of b. Your thumb will indicate the approximate direction of a⨯b.
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