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2 articles trouvés pour ce sujet.
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A melting snowball |
2006-11-06 |
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Jay pose la question :
A snowball melts at a rate proportional to its surface area. Show that its radius shrinks at a constant rate. If it melts to 8/27 of its original volume in 20 minutes, how long will it take to melt completely? Please I need your help.
Stephen La Rocque lui répond. |
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A snowball melts |
2003-12-11 |
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Adam pose la question :
A spherical snowball has diameter 10cm and density 0.75g/cm3. It is placed in a cylindrical can with diameer 12cm. After the snow melts it turns to water with density 1.0g/cm3. What will be the depth of the water in the can (to 1 decimal place)?
Penny Nom lui répond. |
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