Pop Quiz

During a recent blizzard Jack made two snowballs, one of which had twice as large a diameter than the other. As usual the weather warmed up and the snowballs began to melt. The melting only took place at the surface of the snowballs, so the speed at which they melted was proportional to the remaining surface.

How much was left of the small snowball when half of the volume of the large snowball had melted?

A) Approximately 20.27%

B) Approximately 30.42%

C) Approximately 50%

D) Approximately 10.75%

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This Minute @ Mines

News & Events

[Jul 2 2009]

ExxonMobil links Mines to elementary math, science, energy education: GOLDEN, Colo., July 2, 2009 – Colorado School of Mines will play an active role in improving elementary mathematics and science education and teacher ...more

[Jun 18 2009]

Potential Gas Committee reports unprecedented increase in magnitude of U.S. natural gas resource base: GOLDEN, Colo., June 18, 2009 – The Potential Gas Committee (PGC) today released the results of its latest biennial assessment of the nation’s ...more

[Jun 16 2009]

Lasich receives WEPAN University Change Agent Award: GOLDEN, Colo., June 16, 2009 – Debra Lasich, executive director of Mines' Women in Science Engineering and Mathematics program, has been awarded ...more

People, Places & Activities

David Pyles, technical research project manager at the Chevron Center of Research Excellence and Mines research professor in the Department of Geology and Geological Engineering, recently received J.C. “Cam” Sproule Memorial Award at the 2009 AAPG National Convention in Denver.

This award is given to recognize and reward younger authors of papers applicable to petroleum geology. David received the award for two papers published in the AAPG Studies in Geology 56: Atlas of Deep-Water Outcrops, 2007.

 

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