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27. A boat having a length of 3 metre and breadth 2 metre is floating on a lake. The boat sinks by 1 cm whena man gets on it. The mass of the man is |
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Answer» Given : A boat having a length of 3 metre and breadth 2 metre is floating on a lake. The boat sinks by 1 cm when a man gets on it. To find :The mass of the man is Solution :VOLUME of water displaced ➵ V = 3m x 2m x (1/100)m ➵ v = (6/100) m³ mass of man = mass of water displaced ➵ m = vp ➵ (6/100m³) (1000kg/m³) ➵ 60 kg ∴ The mass of the man is 60 kg Extra information :Cube
Right Rectangular Prism
Prism or Cylinder
Pyramid or Cone
Sphere
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