Homework Help: math

Posted by amanda on Wednesday, May 23, 2012 at 11:36pm.

i the conveyor belt takes 54 seconds to move gravel from the bottom of the conveyor belt to the tope at a rate of 3 feet per second, how high does the conveyor belt lift the gravel?

math - MathMate, Thursday, May 24, 2012 at 7:03am
Usually conveyors are at an angle with the horizontal. Here for lack of more information, we assume that the conveyor is vertical (using pouches) to carry the gravel, or the 3 feet per second is measured vertically.

3 feet/second * 54 seconds
= 3*54 feet
=162 feet

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