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Civil Engineering - UPSC Civil Service Exam Questions - Discussion

Discussion Forum : UPSC Civil Service Exam Questions - Section 21 (Q.No. 46)
UPSC Civil Service Exam Questions
46.
Two perfectly elastic spheres of equal mass moving in the same direction with their velocities in the ratio 2 : 1 have an impact. After the impact, the two spheres will
move in the same direction
have in velocity in the ratio of 1 : 2
move in opposite directions with velocity the ratio of 1: 2
move in the same direction with velocity the ratio of 1: 2
Answer: Option
Explanation:
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