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Mathematics 9 Online
OpenStudy (anonymous):

a trough has a trapezoidal cross section with a height of 5m and horizontal sides of width2.5m and 5m. Assume the length of the trough iss 15m.How much work is requiredto pump water out of the trough when it is full?

OpenStudy (anonymous):

|dw:1348941983504:dw|

OpenStudy (anonymous):

I think this is a physics question

OpenStudy (anonymous):

|dw:1348942225610:dw|

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