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                                    A boy of mass 60 kg. He wants to swim in a river with the help of a wooden log. If relative density of wood is 0.6, what is the minimum volume of wooden log?(density of river water is 1000 kg/m3) | 
                            
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Answer»  A boy of mass 60 kg. He wants to swim in a river with the help of a wooden log. If relative density of wood is 0.6, what is the minimum volume of wooden log?  | 
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