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Pastimes : Brain Teasers.

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To: PaperProphet who wrote ()11/19/1996 10:25:00 PM
From: Bob Bryenton   of 136
 
A. Average Speed

You would have to travel instantaeously (sp) back to A.

Average speed = distance / time

It took 2 min to travel at 30 mph to B, but to average 60 mph for the whole trip, you would have to do the whole trip in 2 min.

Therefor you must do the return trip in the blink of an eye.
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