A rectangular wooden platform with a density of 830 kg m3, Ask an Expert

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A rectangular wooden platform with a density of 830 kg m3 is partially submerged in a lake as shown above where the water density is 1000 kg m3 .

1. If the visible height of wood above the water is 0.35 m (h = 0.35 m), how far below the water surface does the wood extend?

2. Calculate the maximum number of people that the platform could support if you assume each person will have a mass of 75 kg.

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