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Physics, 24.03.2020 21:39 PinkDivaGirl02

2. A helicopter on a landing pad weighs 2000 newtons. As the helicopter
begin to turn, they push air downward with increasing force. When will
helicopter lift off the ground?

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Answers: 2

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2. A helicopter on a landing pad weighs 2000 newtons. As the helicopter
begin to turn, they pus...
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