Physics, 16.09.2019 21:20, BossKnight

The job of the heart and blood vessels is what is the answer?

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Physics, 21.06.2019 16:30, jroy1973

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Physics, 22.06.2019 10:00, Trinhphuongtran

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Physics, 22.06.2019 18:30, yuvraj2298

Ahot-air balloon takes off from the ground traveling vertically with a constant upward acceleration of magnitude g/4. after time interval δt, a crew member releases a ballast sandbag from the basket attached to the balloon. how many seconds does it take the sandbag to reach the ground? (express your answer in terms of δt)