From a balloon moving upwards with a velocity of \[12\text{ }m{{s}^{-1 – McqOptions

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1.	From a balloon moving upwards with a velocity of \[12\text{ }m{{s}^{-1}}\], a packet is released when it is at a height of 65 m from the ground. 7 lie time taken by it to reach the ground is \[(g=10\text{ }m{{s}^{-2}})\]
A.	5s
B.	8s
C.	4s
D.	7s
Answer» B. 8s

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