$\text { 11. Suppose you decide to drop a melon from rest from the first observation platform of the Eiffel Tower }$ $\text { which is } 58.3 \mathrm{~m} \text { about the head of your friend who is standing just below you. Your friend shoots an }$ $\text { straight up at the same time with an initial velocity of } 25.1 \mathrm{~ms}^{-1} \text {. What height above your friend's arrow }$ $\text { head does the collision occur? }$

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