MPSC Rajyaseva 2025 GS Paper 1 — Question 53
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खालीलपैकी कोणती भौतिक राशी टकरीच्या दरम्यान अक्षय राहते ? Which physical quantity conserved during collision ?
1)(1) वस्तुमान / Mass
2)(2) संवेग / Momentum✓ Correct
3)(3) वेळ / Time
4)(4) लांबी / Length
According to the Law of Conservation of Momentum, the total momentum of a system of colliding objects remains constant before and after the collision (in the absence of external forces).
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दोन वस्तूंचे वस्तुमान अनुक्रमे 200 gm आणि 300 gm असून ते एकाच रेघेवर व एकाच दिशेने 8 m/s आणि 4 m/s वेगाने जात आहेत. त्यांची टक्कर होते व टक्कर झाल्यावर पहिली वस्तू 5 m/s वेगाने गतिमान होते. टक्कर झाल्यावर दुसऱ्या वस्तूचा वेग काढा :
Two objects having masses 200 gm and 300 gm, are moving along the same line in the same direction with velocities 8 m/s and 4 m/s, respectively. After the collision of the two objects, the first object moves with a velocity of 5 m/s. After collision, the velocity of the other object is :दोन वस्तूंची परस्पर क्रिया होत असताना त्यांच्यावर जर काही बाह्य बल कार्यरत नसेल, तर त्याचा एकूण संवेग,
The two objects are interacting without external force, their total momentum
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