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```
A window is 50cm long. A stone is falling from a height of 40 cm above the window. It crosses the window in:
A window is 50cm long. A stone is falling from a height of 40 cm above the window. It crosses the window in:

```
3 years ago

## Answers : (1)

Shailendra Kumar Sharma
188 Points
```							So the stone is falling from 40m above the windowTo find out time  S=ut+1/2(gt^2)So 40= 1/2(9.8t^2) thus T= 2.85 second
```
3 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