A boat having a length 8 m and breadth 2 m is floating on a lake. The boat sinks by 1cm when a man gets on it. The mass of the man is:
Select the correct option.
A) 12 kg B) 60 kg C) 72 kg D) 160 kg E) None of these
Explanation:   Volume of water displaced = (8 x 2 x 0.01) m3   = 0.16 m3.   ∴ Mass of man = Volume of Water displaced x Density of water   = (0.16 x 1000)kg   = 160 kg.   Answer: 160 kg
<result>D</result>
A boat having a length 8 m and breadth 2 m is floating on a lake. The boat sinks by 1cm when a man gets on it. The mass of the man is: