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`        Please answer the 1st question of this page in which find x`
one year ago

## Answers : (1)

Khimraj
2654 Points
```							Let the tension in string is T and acceleration of masses is a. Then3g -T = 3aT-1g = 1aSo a = ½g =5acceleration on 3kg will be downwards while on 1kg will be upward in direction.So acceration of COM= [3*5 +1*(-5)]/(3+1) = 10/4 = 2.5 = 0.5*xSo x = 5.Hope it clears. If you like answer then please approve it.
```
one year 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