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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 (g=10m/sec sq)

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2 years ago

11 Points
```							the block is moving with uniform speed t=4s, a=-10 m/s^2, u=0 m/s v=u+atv=-40 m/s The speed of balloon is 40m/s upwards for the stoneu=-40m/s, t=6s ,∆y=ut+1/2 at^2∆y=-60m The height is 60 m up from the ground
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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