Maharashtra State BoardHSC Arts 12th Board Exam
Advertisement Remove all ads

Find a unit vector in the opposite direction of u¯. Where u¯=8i^+3j^-k^ - Mathematics and Statistics

Advertisement Remove all ads
Advertisement Remove all ads
Advertisement Remove all ads
Sum

Find a unit vector in the opposite direction of `bar("u")`. Where `bar("u") = 8hat"i" + 3hat"j" - hat"k"`

Advertisement Remove all ads

Solution

Required vector = `(-bar("u"))/|bar("u")|`

= `-(8hat"i" + 3hat"j" - "k")/sqrt(64 + 9 + 1)`

= `(-8hat"i" - 3hat"j" + "k")/sqrt(74)`

Concept: Algebra of Vectors
  Is there an error in this question or solution?

APPEARS IN

Advertisement Remove all ads
Share
Notifications

View all notifications


      Forgot password?
View in app×