Home
Class 11
PHYSICS
A vector A points vertically upward and ...

A vector A points vertically upward and B points towards north.The vector product `A xx B` is

A

zero

B

along west

C

along east

D

vertically downward

Text Solution

Verified by Experts

The correct Answer is:
2

`vecAn = ahatk, vecB= bhatj`
`vecA xx vecB= ab(hatk xxhatj)`
`= ab(-i)= ab ` (along west)
Promotional Banner

Topper's Solved these Questions

  • BASIC MATHEMATICS USED IN PHYSICS &VECTORS

    ALLEN|Exercise EXERCISE-II AIPMT/NEET & AIIMS (2006- 2018)|6 Videos
  • BASIC MATHEMATICS USED IN PHYSICS &VECTORS

    ALLEN|Exercise EXERCISE-III CHECK YOUR UNDERSTANDING|15 Videos
  • BASIC MATHEMATICS USED IN PHYSICS &VECTORS

    ALLEN|Exercise DOT PRODUCT|20 Videos
  • CENTRE OF MASS

    ALLEN|Exercise EXERCISE-V B|19 Videos

Similar Questions

Explore conceptually related problems

A vector vecA points vertically upward and vecB points towards north. The vector product vecAxxvecB is

A vector vecA points vertically upward and vecB points towards north. The vector produce vecAxxvecB is

At a point in space, the eletric field points toward north. In the region surrounding this point, the rate of change of potential will be zero along.

The angular momentum vector for a spinning wheel lies along its axle and is pointed north. To make this vector point east with chagin magnitude it is necessary to exert a force of constant magnitude on the north end of the axle in which direction?

A particle is projected vertically upwards from a point A on the ground. It takes t_(1) time to reach a point B but it still continues to move up. If it takes further t_(2) time to reach the ground from point B then height of point B from the ground is :-

Two object A and B are moving each with velocities 10 m/s. A is moving towards East and B is moving towards North from the same point as shown. Find velocity of A relative to B (vecV_(AB))

If vec a and vec b are position vectors of points Aa n dB respectively, then find the position vector of points of trisection of A B .

If a and b are position vector of two points A,B and C divides AB in ratio 2:1, then position vector of C is

If the position vector of the poinot A is a+2b and a point P with position vector vec(a) divides a line segement AB in the ratio 2:3 then the position vector of the point B is

If vec a and vec b are two non-collinear vectors having the same initial point. What are the vectors represented by vec a+ vec b and vec a- vec b .