Question: An alert hiker sees a boulder fall from the top of a distant cliff and notes that it takes 1.30 s for the boulder to

An alert hiker sees a boulder fall from the top of a distant cliff and notes that it takes 1.30 s for the boulder to fall the last third of the way to the ground. You may ignore air resistance.
(a) What is the height of the cliff in meters?
(b) If in part (a) you get two solutions of a quadratic equation and you use one for your answer, what does the other solution represent?

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