How to find shift in centre of mass?

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You should know that when the shift in the centre of mass occurs, you can use the principle of moments. With this logic, we can see the shift from the original body as the combination of two parts. The one that remains part and the other that is removed. The formula for the shift is the product of t

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From conservation of momentum:
2×4 = 2v? + mv?
Given v? = 1 m/s (interpreted from intermediate steps)
8 = 2 (1) + mv?
mv? = 6 . (i)
From coefficient of restitution (e=1 for elastic collision):
e = (v? - v? )/ (u? - u? )
1 = (v? - v? )/ (4 - 0)
-1 = (v? - v? )/ (0 - 4)  (as written in the image)
⇒ 4 =

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To study centre of mass, you need to follow these steps. 

  • Learn the definition with examples. Most importantly, focus on visualising it. 
  • Then approach the centre of mass formulas for discrete particles and continuous bodies.
  • Practice finding the centre of mass for symmetrical and asymmetrica

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Physics System of Particles and Rotational Motion 2025

Physics System of Particles and Rotational Motion 2025

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