Question

A boat having length 4 meter and breadth 2 meter is floating on a lake. the boat sinks by 1 cm when a man gets into it.bthe mass of the man is ?

Answer 1

A boat having length 4 meter and breadth 2 meter is floating on a lake.

the boat sinks by 1 cm when a man gets into it.
Volume of water displaced = 4m×1m×0.01m = 0.08 m^3

Mass of water displaced=volume×density= 0.08×1000 = 80kg

Thus mass of man is 80kg.