Question

Easy medal !
Let U = 5i+12j, V = -4i+j, and W = i-4j and find :
1: |U|
2: 3U+5V
3: |2V-W|
4: V x W

Answer 1

A ... wait.. no :(.....lol :p

Answer 2

what? :D

Answer 3

i dont know, im being goofey lol

Answer 4

ah ok ==!

Answer 5

How would you find the magnitude of U?

Answer 6

root of a^2+b^2 ?

Answer 7

yep, which looks to be 13 if my head math is right

Answer 8

Yes! LOL

Answer 9

yeah... 13 ! ...gimmeh my medal :D

Answer 10

haha LOL!

Answer 11

3U + 5V is just multiply U by 3 and V by 5 then add like parts

Answer 12

he /she cheated off me :(

Answer 13

ohhh :D you all get medals :d

Answer 14

the hardest concept might be #4 the cross product

Answer 15

tyty :p

Answer 16

I see, wait I'm still trying to catch on :P

Answer 17

::: twiddling thumbs:::

Answer 18

=.=!

Answer 19

umm question

Answer 20

5(-4i+j) if u multiply that, then will it be -20i+5j ? would that j count as 1 ? or 0 ?