A) angular momentum will increase.
B) moment of inertia will increase.
C) moment of inertia will decrease.
D) angular momentum remains same.
Correct Answer: D
Solution :
Angular momentum\[J=I\omega .\] On stretching the arm, their is no effect on \[I\] and \[\omega ,\] therefore, angular momentum remains same.You need to login to perform this action.
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