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`        tube James is telling with a speed of 37.5 kilometre per hour are approaching each other on the same Street as a bird that can fly at a constant speed of 80 km per hour price of from one time when they are 90 km apart and held tightly for their that run on the conductance 85 back to first and so on Total distance covered by the bird is`
2 years ago

Arun
24740 Points
```							Dear Anuj

The answer has 2 parts:1) The time taken by trains to meet each other The relative velocity : 37.5 +37.5 =75 Km/hr (since they are travelling  towards each other)The distance between them : 90 KmSo the time taken by trains to meet each other is 90km/(75km/hr)= 1.2hr= 72 mins2) Speed of the bird is 60Km/hrSo basically the bird can only travel till the trains meet each other, in other words the bird has 72 mins to travelso the distance travelled by bird is (60km/hr)X(72/60)= 72 Kms.

Regards

```
2 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