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QiTian QiTian
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6 years ago
A track star in the broad jump goes into the jump at 12 m/s and launches himself at 20 above the horizontal. How long is he in the air before returning to Earth?
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Flamebrain920Flamebrain920
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6 years ago
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QiTian Author
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6 years ago
Smart ... Thanks!
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Yesterday
This calls for a celebration Person Raising Both Hands in Celebration
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2 hours ago
I appreciate what you did here, answered it right Smiling Face with Open Mouth
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