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`        A train 100 m long meets a man going in opposite direction at the speed of 5 km/hr and passes him in 7.2 seconds. At what rate is the train going?`
7 months ago

Vikas TU
10104 Points
```							Hiii Arun The length of train= 100 meterVelocity of man = 5 km/hr = 1.39m/sLet velocity of train = v m/s so relative velocity = v+1.39 m/s 100/7.2 = v+1.39so v = 12.49 m/s v is aproximately equal to 45 km/hrhope this help.
```
7 months ago
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• 110 Video Lectures
• Revision Notes
• Test paper with Video Solution
• Mind Map
• Study Planner
• NCERT Solutions
• Discussion Forum
• Previous Year Exam Questions

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