Home
Class 11
PHYSICS
Particles of masses 1 kg and 3 kg at (2i...

Particles of masses 1 kg and 3 kg at `(2i+5j+13 k)` m and `(-6i+4j-2k)m` then instantaneous position of their centre of mass is

A

`(1)/(4)(-16i+17j+7k)m`

B

`(1)/(4)(-8i+17j+7k)m`

C

`(1)/(4)(-6i+17j+7k)m`

D

`(1)/(4)(-6i+17j+5k)m`

Text Solution

Verified by Experts

The correct Answer is:
A
Promotional Banner

Topper's Solved these Questions

  • CENTRE OF MASS

    AAKASH SERIES|Exercise LECTURE SHEET (EXERCISE - II)|4 Videos
  • CENTRE OF MASS

    AAKASH SERIES|Exercise LECTURE SHEET (EXERCISE - III)|7 Videos
  • CALORIMETRY

    AAKASH SERIES|Exercise ADDITIONAL PRACTICE EXERCISE (LEVEL - II) (LECTURE SHEET (ADVANCED)(Matrix Type Questions)|1 Videos
  • COLLISIONS

    AAKASH SERIES|Exercise QUESTIONS FOR DESCRIPTIVE ANSWERS|4 Videos

Similar Questions

Explore conceptually related problems

The centre of mass of three particles of masses 1 kg, 2 kg and 3 kg is at (2,2, 2). The position of the fourth mass of 4 kg to be placed in the system as that the new centre of mass is at (0, 0, 0) is

A body of mass 4 kg is attached to another body of mass 2 kg with a massless rod. If the 4 kg mass is at (2i + 5j)m and 2 kg mass is at (4i + 2j)m, the centre of mass of the system is at (in m)

Particles of masses 100 and 300 gram have position vectors (2hat(i)+5hat(j)+13hat(k)) and (-6hat(i)+4hat(j)+2hat(k)) . Position vector of their centre of mass is

Three particles of masses 8 kg, 4 kg and 4 kg situated at (4,1), (-2,2) and (1,-3) are acted upon by external forces 6bar(j)N,-6 bar(i)N and 14 bar(i)N . The acceleration of centre of mass of the system is