Dismiss Notice
Join Physics Forums Today!
The friendliest, high quality science and math community on the planet! Everyone who loves science is here!

Homework Help: Vector Problem:

  1. Feb 19, 2006 #1
    FInd the number a such that the vector a+b, where a= (a, 1) and b= 2 [E30N] has a magnitude of 4:

    Any help will be greatly appreciated.
  2. jcsd
  3. Feb 20, 2006 #2


    User Avatar
    Science Advisor
    Homework Helper

    Do you know the expression magnitude of a vector in terms of its components?
Share this great discussion with others via Reddit, Google+, Twitter, or Facebook