Question

So I am reading this about vectors and I dont get one part

Answer 1

"Velocity of airplane = u = 520[cos(30 deg), sin(30 deg)] = <450.33, 260>

Velocity of the wind = v = 50[cos(15 deg), sin(15 deg)] = <48.30, 12.94>

Velocity of airplane in the wind = w = u + v = <498.63, 272.94>

||w|| = ground speed = 568.33 mph"

Answer 2

I what theyre doing up until the very last step

Answer 3

@swagmaster47 can I answer now?

Answer 4

@wio

Answer 5

hey

Answer 6

You don't understand the last step?

Answer 7

Yes

Answer 8

The magnitude of a vector is squaring every component, adding them, then taking the square root.

Answer 9

In the last step they are simply coming up with their conclusion.

Answer 10

And w is the magnitude?

Answer 11

It's like dot product square, then doing square root

Answer 12

yes

Answer 13

Well \(w\) is the vector and \(\|w\|\) is the magnitude.

Answer 14

ground speed basically so yes I suppose.

Answer 15

Oh ok

Answer 16

The cat on your profile is soooo cute. Is that your cat?

Answer 17

Yeah they gave that information to me already, they just refered to it as v

Answer 18

Thanks man