manojbhandari95 manojbhandari95

10-07-2019
Physics

contestada

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

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MathPhys MathPhys

10-07-2019

Answer:

60 kg

Explanation:

The man's weight is equal to the weight of the water he displaces.

mg = ρVg

m = ρV

m = (1000 kg/m³) (3 m × 2 m × 0.01 m)

m = 60 kg

The man's mass is 60 kg.

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