Home
Class 12
PHYSICS
Velocity vectors of three masses 2kg,1kg...

Velocity vectors of three masses 2kg,1kg and 3 kg are `vecv_1 = (hati-2hatj+hatk) m/s,vecV_2 = (2hati +2hatj -hatk) m/s` and `vecv_3` respectively. If velocity vector of center of mass of the system is zero then value of `vecv_3` will be

A

`((2hati+2hatj-hatk)/3 ) m/s`

B

`((-4hati+2hatj-hatk)/3 ) m/s`

C

`((2hati+3hatj-hatk)/3 ) m/s`

D

`((-2hati+3hatj-hatk)/3 ) m/s`

Text Solution

AI Generated Solution

Promotional Banner

Similar Questions

Explore conceptually related problems

Two bodies of masses 10 kg and 2 kg are moving with velocities (2 hati - 7 hatj + 3hat k) and (-10 hati + 35 hatj - 3hatk) m//s respectively. Calculate the velocity of their centre of mass.

The position vector of three particles of masses m_1=1kg . m_2=2kg and m_3=3kg are r_1=(hati+4hatj+hatk)m , r_2=(hati+hatj+hatk)m and r_3=(2hati-hatj-2hatk)m respectively. Find the position vector of their centre of mass.

The position vector of three particles of masses m_1=2kg . m_2=2kg and m_3=2kg are r_1=(2hati+4hatj+hatk)m , r_2=(hati+hatj+hatk)m and r_3=(2hatj-hatj-2hatk)m respectivley. Find the position vector of their centre of mass.

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

Velocity of a particle of mass 2 kg change from vecv_(1) =-2hati-2hatjm/s to vecv_(2)=(hati-hatj)m//s after colliding with as plane surface.

A vectors which makes equal angles with the vectors 1/3(hati - 2hatj + 2 hatk ) , 1/5(-4hati - 3hatk) , hatj is:

Let vecV = 2hati +hatj - hatk and vecW= hati + 3hatk . if vecU is a unit vector, then the maximum value of the scalar triple product [ vecU vecV vecW] is

The position vectors of the points A,B, and C are hati+2hatj-hatk, hati+hatj+hatk , and 2hati+3hatj+2hatk respectively. If A is chosen as the origin, then the position vectors B and C are

Area of a parallelogram formed by vectors (3hati-2hatj+hatk)m and (hati+2hatj+3hatk) m as adjacent sides is