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Vector and scalar magnitude problem

  • Thread starter lsu777
  • Start date
  • #1
7
0

Homework Statement



The vector -1.90A has a magnitude of 59.1 m and points in the positive x direction. Calculate the x component of the vector A.

Calculate the magnitude of the vector A.


Homework Equations





3. The Attempt at a Solution

I understand vectors but having a problem understanding how to set this problem up. this is the last problem of a 20 problem set and is the only one I can't figure out. would appreciate any help ya'll could provide.
 

Answers and Replies

  • #2
32
0
I think you just use basic algebra for this.

-1.90 A is 1.9 times the length of vector A, and points in the opposite direction as vector A. So what direction does vector A point in, and what's its length?
 
  • #3
7
0
doesnt give me anymore information then what is given. and i tried 59.1/1.9 to give me the answer but it said that was incorrect.
 
  • #4
32
0
Shouldn't it be negative?
 
  • #5
7
0
yea i used the negative. i actually tried both ways and was told both were incorrect. only have one chance left.
 

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