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August 13, 2007

Height of a Building

Imagine that you are on top of a building or a cliff and are wondering how tall it is.

Estimating this is very simple.

Drop a stone from where you are (i.e. top of the building/cliff etc.) and see how much time it takes to hit the ground below.

Make sure the stone is DROPPED, not thrown. And it should fall VERTICALLY.

Then calculate as follows.

Height = 5 X Time X Time (metres.)

Height = 16 X Time X Time (feet.)


The above calculations are fairly accurate.

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