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Question Number 73111 by oyemi kemewari last updated on 06/Nov/19
Answered by mr W last updated on 07/Nov/19
$$\mathrm{5}=\frac{\mathrm{1}}{\mathrm{2}}{gt}^{\mathrm{2}} \\ $$$$\Rightarrow{t}=\mathrm{10}\:{s} \\ $$$${horizontal}\:{distance}\:=\mathrm{0}.\mathrm{8}×\mathrm{10}=\mathrm{8}\:{m}\: \\ $$