Home
Class 11
PHYSICS
Two particles of mass 1 kg and 3 kg have...

Two particles of mass 1 kg and 3 kg have position vectors `2hati+3hatj+4hatk` and `-2hati+3hatj-4hatk` respectively. The centre of mass has a position vector

A

`hati+3hatj-2hatk`

B

`-hati-3hatj-2hatk`

C

`-hati+3hatj+2hatk`

D

`-hati+3hatj-2hatk`

Text Solution

Verified by Experts

The correct Answer is:
D
Promotional Banner

Similar Questions

Explore conceptually related problems

Two particles of masses 1 kg and 3 kg have position vectors 2hati+3hatj+4hatk and-2hati+3hatj-4hatk respectively. The centre of mass has a position vector

Two particles of masses 1 kg and 3 kg have position vectors 2hati+3hatj+4hatk and-2hati+3hatj-4hatk respectively. The centre of mass has a position vector

Two particles whose masses are 10 kg and 30 kg and their position vectors are hati+hatj+hatk and -hati-hatj-hatk respectively would have the centre of mass at position :-

Show that the vectors 2hati-3hatj+4hatk and -4hati+6hatj-8hatk are collinear.

The position vectors of A and B are 2hati-9hatj-4hatk and 6hati-3hatj+8hatk respectively, then the magnitude of AB is

The angle between two vectors -2hati+3hatj+k and hati+2hatj-4hatk is

The angle between two vectors -2hati+3hatj+k and hati+2hatj-4hatk is

Find the angle between the vectors 4hati-2hatj+4hatk and 3hati-6hatj-2hatk.

Show that the points A, B and C with position vectors -2hati+3hatj+5hatk, hati+2hatj+3hatk and 7hati-hatk respectively are collinear

The point having position vectors 2hati+3hatj+4hatk,3hati+4hatj+2hatk and 4hati+2hatj+3hatk are the vertices of