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[" A block of mass "5kg" is at rest on a...

[" A block of mass "5kg" is at rest on a "],[" smooth horizontal surface.Water "],[" coming out of a pipe horizontally at "],[" the rate of "2kgs^(-1)," hits the block "],[" with a velocity of "6ms^(-1)" .The initial "],[" acceleration of the block is "]

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