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An empty 20000 kg coal wagon is moving on a level track at 5m/s. Suddenly 5000kg of coal is dumped into it directly from above. The coal initially has zero horizontal velocity. The final speed of the wagon is

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3 years ago

Arun
25768 Points
```							According to conservation of momentum-M1 * v1 = M2* v220000* 5 = 25000 * v2100000/25000 = v2V2 = 4 m/sec
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3 years ago
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Course Features

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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