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Andrej [43]
2 years ago
9

A raft has a mass of 152 kg. When a

Physics
2 answers:
True [87]2 years ago
6 0

Answer:

72

Explanation:

trapecia [35]2 years ago
3 0

Answer:

72 kg

Explanation:

The computation of the mass of the person is shown below:

As we know that

Water displaced weight = Raft weight + person weight

P_w.V = M_r + M_p

where

P_w denotes the water density i.e. 1000 kg/m^3

V denotes the volume of the water in m^3

Now

1000 × 0.224 = 152 + M_p

M_p = 224 - 152

= 72 kg

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