Home
Class 11
PHYSICS
If a vector vecA=3hati+2hatj then what i...

If a vector `vecA=3hati+2hatj` then what is 4A?

A

`12hati+8hatj`

B

`0.75hati+0.5hatj`

C

`3hati+2hatj`

D

`7hati+6hatj`

Text Solution

Verified by Experts

The correct Answer is:
A, B
Promotional Banner

Topper's Solved these Questions

  • KINEMATICS

    FULL MARKS|Exercise ADDITIONAL QUESTIONS SOLVED (SHORT ANSWER QUESTIONS - 1 (2 MARKS))|20 Videos

  • KINEMATICS

    FULL MARKS|Exercise ADDITIONAL QUESTIONS SOLVED (NUMERICAL QUESTIONS)|42 Videos

  • KINEMATICS

    FULL MARKS|Exercise TEXTUAL QUESTIONS SOLVED (LONG ANSWER QUESTIONS)|14 Videos

  • HEAT AND THERMODYNAMICS

    FULL MARKS|Exercise ADDITIONAL QUESTIONS SOLVED (Numerical Problems)|16 Videos

  • KINETIC THEORY OF GASES

    FULL MARKS|Exercise Addtional Numerical Problems|10 Videos

Similar Questions

Explore conceptually related problems

Given the vector vecA=2hati+3hatj what is 3vecA ?

Statement1: A component of vector vecb = 4hati + 2hatj + 3hatk in the direction perpendicular to the direction of vector veca = hati + hatj +hatk is hati - hatj Statement 2: A component of vector in the direction of veca = hati + hatj + hatk is 2hati + 2hatj + 2hatk

Find the value of lambda for which the vectors veca = 3hati + 2hatj + 9 hatk and vecb = hati + lambda hatj + 3hatk are orthogonal.

Find the altitude of a parallelepiped whose three coterminous edges are vectors vecA=hati+hatj+hatk,vecB=2hati+4hatj-hatkand vecC=hati+hatj+3hatk "with" vecA and vecB as the sides of the base of the parallelepiped .

The vector vecB= 5hati+2hatj-shatk is perpendicular to the vector vecA = 3hati+hatj+2hatk for s =

Find the projection of the vector veca=2hati+3hatj+2k on the vector vecb=hati+2hatj+hatk .

Find the sum of the vectors veca=hati-2hatj+hatk,vecb=-2hati+4hatj+5hatkandvecc=hati-6hatj--7hatk .

A vector of magnitude sqrt2 coplanar with the vectors veca=hati+hatj+2hatk and vecb = hati + 2hatj + hatk, and perpendicular to the vector vecc = hati + hatj +hatk is