TRY ANSWER THIS....

Classical Mechanics Level 2

A boat with length 3 meters and breadth 2 meters is floating on a lake. The boat sinks by 2 cm when a man gets onto it. Find the mass of the man (in kilograms).


The answer is 120.

Shreya R by Shreya R , 21, India

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5 solutions

Biswaroop Roy
Mar 5, 2014

Weight of the man= weight of displaced water=120 kg

5 Helpful 0 Interesting 0 Brilliant 0 Confused

the man must be eating too much pizzas,..............

ashutosh mahapatra - 7 years, 1 month ago

weight of displaced water is coming in m^3(0.12m^3) How come you conclude to the answer.

Devendra Haldankar - 6 years, 11 months ago

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Weight of 1 liter (l) of pure water at temperature 4 °C = 1 kilogram (kg)

Surya Sawant - 6 years, 10 months ago

1m^3=1000lit

Surya Sawant - 6 years, 10 months ago

what is the unit of that

rajesh kumar - 7 years, 1 month ago

simply by Archimedes principle

2 Helpful 0 Interesting 0 Brilliant 0 Confused

Eureka! (Get it?). :D

Finn Hulse - 7 years, 1 month ago
Siva Chowdary
Mar 12, 2014

mass = volume * density , mass of the man = mass of the water displaced

1 Helpful 0 Interesting 0 Brilliant 0 Confused
Srijan Singh
Mar 12, 2014

Archimedes principle...

1 Helpful 0 Interesting 0 Brilliant 0 Confused
Jung Hyun Ran
May 19, 2014

Using Archimedes principle :)

0 Helpful 0 Interesting 0 Brilliant 0 Confused

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