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Tarzan, in one tree, sees Jane in another tree. He grabs the end of a vine of length 30.0 m that makes an angle of 45 degrees with the vertical, steps off of his tree limb, swings down and then up to Jane's open arms. When he arrives in Jane's tree, his vine makes an angle of 30° with the vertical. Determine whether he gives her a tender embrace or knocks her off her tree by calculating Tarzan's speed just before he reaches Jane.

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