Archive for April, 2011

Use a barometer to Measure the Height of a skyscraper !!

The following concerns a question in a physics degree exam at the University of Copenhagen:

Describe how to determine the height of a skyscraper with a barometer.

One student replied:

You tie a long piece of string to the neck of the barometer, then lower the barometer from the roof of the skyscraper to the ground. The length of the string plus the length of the barometer will equal the height of the building.

This highly original answer so incensed the examiner ReAd MoRe…

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