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3 articles trouvés pour ce sujet.
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Le réservoir |
2009-04-09 |
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Myrianne pose la question :
Le réservoir d'essence d'une petite voiture peut contenir 50 litres. En sachant que 1 dm3 équivaut à litre, donne les dimensions de deux prismes différents représentant ce réservoir.
Claude Tardif lui répond. |
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A reservoir has the shape of an inverted cone |
2011-10-03 |
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Roger pose la question :
a reservoir has the shape of an inverted cone whose cross section is an equilateral triangle. if water is being pumped out of the reservoir at a rate of 2m^3/sec, at what rate is the depth of the water changing when the depth is 40 meters?
Penny Nom lui répond. |
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Small pipes and large pipes |
2006-05-09 |
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geece pose la question :
A large fresh water reservoir has two types of drainage system. Small pipes and large pipes. 6 large pipes, on their own, can drain the reservoir in 12 hours. 3 large pipes and 9 small pipes, at the same time, can drain the reservoir in 8 hours.
How long will 5 small pipes, on their own, take to drain the reservoir?
Penny Nom lui répond. |
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