Mathematics, 30.09.2019 18:40 sherlock19

Aballoon is at a height of 81 m and is ascending upwards with a velocity of 12m/s^2. a body of 2kg weight is dropped from it. if g=10m/s^2, the body will reach the surface of earth in how much time

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Aballoon is at a height of 81 m and is ascending upwards with a velocity of 12m/s^2. a body of 2kg w...

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