The height of a mountain peak is h metres above sea-level

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The height of a mountain peak is h metres above sea-level. A helicopter descends from the mountain peak such that its height above sea-level decreases at a constant rate of 20% every 15 seconds. If the helicopter takes 1 minute to reach an airport which is 512m above sea-level, find the value of h.

Reference no: EM13539138

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