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  • A boat having a length 3m and breadth 2m is floating on a lake . The boat sinks by 1 cm , when a man get on it , the mass of the man is - Option: 1

A boat having a length 3m and breadth 2m is floating on a lake . The boat sinks by 1 cm , when a man get on it , the mass of the man is - 

Option: 1

60 kg


Option: 2

72 kg


Option: 3

52 kg


Option: 4

65 kg


Answers (1)

best_answer

weight of man = extra upthrust 

mg = (3 x 2 x 10-2) 103 x 1

m=\frac{6\, \times \, 10^{1}\, \times \, 10}{10}

m = 60 kg

Posted by

manish painkra

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