3 articles trouvés pour ce sujet.
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Rondo the snail |
2011-01-05 |
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Kristen pose la question :
He trained his snail, Rondo, to crawl around a 6 x 8 rectangle. Rondo stayed exactly 3 cm from teh rectangle at all times. What is the total area that Rondo surrounded with his slime trail?
Penny Nom lui répond. |
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A snail on an elastic band |
2010-02-03 |
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Joe pose la question :
A snail starts crawling from one end along a uniformly stretched elastic band. It crawls at a rate of 1 foot per minute. The band is initially 10 feet long and is instantaneously and uniformly stretched an additional 10 feet at the end of each minute. The snail maintains his grip on the band during the instant of each stretch. At what points in time is the snail
(a) closest to the far end of the band, and
(b) farthest from the far end of the band?
Robert Dawson lui répond. |
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How long will it be before the two snails meet? |
2006-09-21 |
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Brett pose la question :
Two snails are 8.5 feet apart. They start to crawl toward each other at the same time. One of them travels at the speed of 6 in. per minute, while the other zips along at 11 inches per minute. How long will it be before the two snails meet?
Penny Nom lui répond. |
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