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**Unformatted text preview: **t > 0 when the square root was taken. The negative root (with ∆ t = 0) gives an answer of 2.51 m, clearly not a “cliff”. This would correspond to an object that was initially near the bottom of this “cliff” being thrown upward and taking 1.30 s to rise to the top and fall to the bottom. Although physically possible, the conditions of the problem preclude this answer. Page 1 of 1...

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