Home
Class 12
PHYSICS
If |vecA|= 4, |vecB|=3 and theta= 60^@ ...

If `|vecA|= 4, |vecB|=3 and theta= 60^@ ` in the figure . Find

`vecA.vecB`

A

6

B

3

C

9

D

12

Text Solution

Verified by Experts

The correct Answer is:
A
Promotional Banner

Topper's Solved these Questions

  • VECTOR & CALCULUS

    MOTION|Exercise EXERCISE -2 (LEVEL - I) OBJECTIVE PROBLEMS|47 Videos
  • VECTOR & CALCULUS

    MOTION|Exercise EXERCISE -2 (LEVEL - II) MULTIPLE CORRECT|13 Videos
  • VECTOR & CALCULUS

    MOTION|Exercise PHYSICAL EXAMPLE|11 Videos
  • VECTOR

    MOTION|Exercise Exercise - 3|18 Videos
  • WAVE MOTION

    MOTION|Exercise Exercise - 3 Section - B (Previous Years Problems)|7 Videos

Similar Questions

Explore conceptually related problems

If |vecA|= 4, |vecB|=3 and theta= 60^@ in the figure . Find |vecAxxvecB|

Vectors vecA,vecB and vecC are shown in figure. Find angle between (i) vecA and vecB " " (ii) vecA and vecC" " (iii) vecB and vecC .

Three vectors vecA,vecB,vecC are shown in the figure. Find angle between (i) vecA and vecB (ii) vecB and vecC (iii) vecA and vecC .

If veca and vecb are two such that |veca|=5, |vecb|=4 and |veca.vecb|=10 , find the angel between veca and vecb and hence find |vecaxxvecb|

If |veca|=5 , |veca-vecb| = 8 and |veca +vecb|=10 then find |vecb|

If |veca|=3, |vecb|=1, |vecc|=4 and veca + vecb + vecc= vec0 , find the value of veca.vecb+ vecb+ vecc.vecc + vecc.veca .

If |veca| =5, |vecb| =4, |vecc| =3 and veca + vecb + vecc =0, then the vlaue of |veca, vecb + vecb.vecc+vecc,veca|, is

If |veca|=3, |vecb|=4 and the angle between veca and vecb is 120^(@) . Then find the value of |4 veca + 3vecb|

If |veca|=3, |vecb|=4 and the angle between veca and vecb is 120^(@) . Then find the value of |4 veca + 3vecb|

If |veca|=4, |vecb|=4 and |vecc|=5 such that veca bot vecb + vecc, vecb bot (vecc + veca) and veca bot (veca + vecb) , then |veca + vecb + vecc| is: