NEET Physics Centre of Mass Assertion Reason Question
Assertion (A): In a one-dimensional elastic collision between two spheres, the center of mass of the system moves with a constant velocity. | Reason (R): The kinetic energy is conserved in a one-dimensional elastic collision.
Both A and R are true, and R is the correct explanation of A.
Both A and R are true, but R is not the correct explanation of A.
A is true, but R is false.
A is false.
Correct Answer
Detailed Explanation
In a one-dimensional elastic collision, both momentum and kinetic energy are conserved, ensuring the velocity of the center of mass remains constant.
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