In the figure below, two long barges are moving in the samedirection in still wa

Question

In the figure below, two long barges are moving in the samedirection in still water, one with a speed of 10 km/h and the other with a speed of 20 km/h. While they are passing each other, coal isshoveled from the slower to the faster one at a rate of850 kg/min. How much additional force mustbe provided by the driving engines of each barge if neither is tochange speed? Assume that the shoveling is always perfectlysideways and that the frictional forces between the barges and thewater do not depend on the weight of the barges.
1 N (faster barge)
2 N (slower barge) ^^^Those are people shoveling debris....diagram really doesn'tgive any helpful info. Any help will be appreciated

Explanation / Answer

anyone?

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