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March 27, 2015

Homework Help: physics

Posted by jujubes on Monday, December 6, 2010 at 4:22pm.

A fresh water pond that is 14.7 m deep is contained on one side by a cliff. The water has eroded a nearly horizontal "tube" through a bed of limestone, which allows the water to emerge on the other side of the cliff. If the "tube" has a diameter of 4.07 cm, and is located 6.0 m below the surface of the pond, what is the frictional force between the "tube" wall and a rock that is blocking the exit?

b) When the rock is removed, what volume of water flows out of the "tube" in 2.90 hr?

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