MCQ
What is the ratio of kinetic energy of a particle at the bottom to the kinetic energy at the top when it just loops a vertical loop of radius $r?$
- ✓$5 : 1$
- B$2 : 3$
- C$5 : 2$
- D$7 : 2$
✓
Answer
Correct option: A.
$5 : 1$
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