Two identical particles, A and B, are attached to a string of length 2 l , A to middle…
Physics · JEE Advanced · NTA Exams — Rotational Motion
Two identical particles, A and B, are attached to a string of length 2l, A to middle and B to one of the ends. The string is whirled in a horizontal circle, with the end O fixed. If the kinetic energy of B relative to A is E, then the absolute kinetic energies of A and B are
- E and E
- E and 4E
- 4E and E
- E and 3E
Answer
(B) E and 4E
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