







Melting snow 
20100211 

Cyndi pose la question : How long will it take for 5 feet of snow in an area of 17 by 12 to melt
at 35 degrees and cloudy. Robert Dawson lui répond. 





1 foot of snow = how much rain 
20070925 

Lisa pose la question : 1foot of snow = how much rain Penny Nom lui répond. 





A melting snowball 
20061106 

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. 





Snow in the driveway 
20040409 

Patricia pose la question : Following a severe snowstorm, Ken and Bettina Reeves must clear their driveway and sidewalk. Ken can clear the snow by himself in 4 hours, and Bettina can clear the snow by herself in 6 hours. After Bettina has been working for 3 hours, Ken is able to join her. How much longer will it take them working together to remove the rest of the snow? Penny Nom lui répond. 





A snowball melts 
20031211 

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. 

