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Four particles A,B,C and D of equal mass move with equal speed v along the diagonals of a square in a horizontal plane. After the collision, A comes to rest while B and C retrace their paths with same speeds. Then the particle D will (a)continue to move along the same line with speed v (b)retrace its path with speed 2v (c)come to rest (d)move with speed v*root2 alnd a line parallel to CD
Four particles A,B,C and D of equal mass move with equal speed v along the diagonals of a square in a horizontal plane. After the collision, A comes to rest while B and C retrace their paths with same speeds. Then the particle D will(a)continue to move along the same line with speed v(b)retrace its path with speed 2v(c)come to rest(d)move with speed v*root2 alnd a line parallel to CD

```
4 years ago

Vikas TU
14149 Points
```							Conserve the momentum in x-direction and y-direction for each masses respectively.And U would get the relation. In x direcn. the Vd = 2v i cap.find similarly in y-direcn.
```
4 years ago
Divya
14 Points
```							Can you please solve the question fully and post the answer?….........................................................................................
```
4 years ago
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### Course Features

• 110 Video Lectures
• Revision Notes
• Test paper with Video Solution
• Mind Map
• Study Planner
• NCERT Solutions
• Discussion Forum
• Previous Year Exam Questions