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A boat 3 m long and 2 m wide is floating in a lake. When a man climbs over it, it sinks 1 cmfurther into water. The mass of the man is:1) 60 kg2) 64 kg3) 70 kg4) 72 kg |
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Answer» Volume of water displaced = 300cm*400cm*1cm = 60000cm^3We know that density of water is 1gm/cmAgain Mass = Density*Volume = 60000*1 gmMass of displaced liquid = 60000gm = 60 kgUsing Archimedes Principal we know weight of displaced liquid = weight of floating body. |
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