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A balloon starting from the ground has been ascending vertically at a uniform velocity for 4 seconds and a stone let fall from it reaches the ground in 6 seconds find the velocity of the balloon and its height when the stone was let Fall take g is equal to 10 m per second sq.
A balloon starting from the ground has been ascending vertically at a uniform velocity for 4 seconds and a stone let fall from it reaches the ground in 6 seconds find the velocity of the balloon and its height when the stone was let Fall take g is equal to 10 m per second sq.

```
2 years ago

Shail patel
29 Points
```							The distance  travelled by balloon is = 1/2gt2.T=6 sec , h=1/2 ×10 × (6)2=180 mm. Now let the velocity of balloon be v ,We know h=v2/2g ,180 = v2/20 , v2 = 3600,V = 60 m/s .  Ans = height  of balloon  = 180m,          And velocity  is 60m/s.
```
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