Tarzan swings on a 30.0m long vine initially inclined at an angle 37 degrees with the vertical. what is his speed at the bottom of the swing if he starts from rest?

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The answer is as follows in the photo

The answer is water molecules are split.cellular respiration and photosynthesis are complement  reactions to each other. these are reverse reactions. in cellular respiration glucose and oxygen yield water and carbon dioxide. so, when respiration begins,  glucose molecules are split. in the opposite reaction - in photosynthesis, carbon dioxide and water yield glucose and oxygen. thus,  when respiration begins, water molecules are split.