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CGP EDU Academic Team
Published on: September 12, 2026
A balloon is at a height of 81 m and is ascending upwards with a velocity of 12 m / s . A body of 2kg weight is dropped from it. If \(g = 10 \, m/s^{2}\) , the body will reach the surface of the earth in
Text Solution
Verified by ExpertsThe correct answer is:
C
\(h = ut + \frac{1}{2}gt^{2}\) \(\Rightarrow 81 = -12t + \frac{1}{2} \times 10 \times t^{2} \Rightarrow t = 5.4 \text{ sec}\)
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