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A balloon starts rising from the ground with an acceleration of 1.25m/s2.a stone is released from the balloon after 10 seconds. 1)find maximum hieght of the stone from the ground and time taken by the stone to reach the ground
A balloon starts rising from the ground with an acceleration of 1.25m/s2.a stone is released from the balloon after 10 seconds.1)find maximum hieght of the stone from the ground and time taken by the stone to reach the ground

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2 years ago

Himanshu Rathour
119 Points
```							Height of ballon at 10 second isS=1/2 *(1.25)*(10)*(10)=62.5Speed of ballon after 10 sec-v=10*1.25=12.5m/s in upward direction The releasesd stone will aquire this speedAnd acceleration for stone will be g=10m/s²Therfore time taken by stone to reach the ground62.5=-(12.5)t+1/2(10)(t²)-> t=5 sMaximum height attained by stone62.5+7.8=70.3
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2 years ago
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