A stone of cross - sectional area 10m^(2...

A stone of cross - sectional area `10m^(2)` completely stops the flow of a river current of 5 m`cdot s^(-1)` . What is the force exerted on the stone? (denstiy of water = 1000 kg`cdot m^(-3)` )

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The correct Answer is:

`25 xx 10^(4)` N

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