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Does conservation of angular momentum is only applicable about centre of mass axis?Or we conserve it about any axis?Please please clear my doubt.This is a question. I got this answer but can anyone please solve it by taking centre of disc as axis. A circular disc of mass m and radius R rests flat on a horizontal frictionless surface.A bullet,also of mass m and moving with a velocity v,strikes the disc and gets embedded in it.The angular velocity with which the syatem rotates after the bullet strikes the hoop is:-Ans(v/2R)

Does conservation of angular momentum is only applicable about centre of mass axis?Or we conserve it about any axis?Please please clear my doubt.This is a question. I got this answer but can anyone please solve it by taking centre of disc as axis.
A circular disc of mass m and  radius R rests flat on a horizontal frictionless surface.A bullet,also of mass m and moving with a velocity v,strikes the disc and gets embedded in it.The angular velocity with which the syatem rotates after the bullet strikes the hoop is:-Ans(v/2R)

Grade:12th pass

1 Answers

Vikas TU
14149 Points
4 years ago
Dear student 
The law of conservation of angular momentum states that when no external torque acts on an object, no change of angular momentum will occur.
Good Luck 

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