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A kangaroo jumps to a vertical height of 2.3 m. how long was it in the air before returning to earth?
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A kangaroo jumps to a vertical height of 2.3 m. how long was it in the air before returning to earth?

User Greenish
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t = √(2y/g) is the time it takes for the kangaroo to get to its maximum height, so it'll take another √(2y/g) seconds to get back ...
User Nitgeek
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