4 items are filed under this topic.
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Achilles and a turtle |
2011-07-01 |
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From Jean:
Achilles and a turtle are having a race. The turtle starts 45m ahead of Achilles and Achilles is twice as fast as the turtle. If turtle runs at 1m/s,how far would the turtle have run before he is outrun by Achilles?
Answered by Penny Nom. |
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The height of a hill |
2010-03-26 |
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From Amber:
A surveying team determines the height of a hill by placing a 12-foot pole at the top
of the hill and measuring the angles of elevation to the bottom and to the top of the pole.
They find the angels of elevation. Describe how to find the height of the hill.
Answered by Penny Nom. |
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Grade of a hill |
2009-01-26 |
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From rachel:
if the grade is 18%, how many feet would it fall vertically over a horizontal distance of 250 yards.
Answered by Robert Dawson. |
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The percentage grade of that hill |
2002-11-05 |
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From Cathy:
If there is an 80ft climb over a kilometer(about 3280ft) what is the percentage grade of that hill?
Answered by Penny Nom. |
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