March 30, 2017

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what's the density of a box whose weight is 1648 newtons and whose volume is 2.8 cubic meters? Will it float in a liquid whose density is 600 kilograms per cubic meter?

  • physics.. - ,

    Mass = Weight/g = 1678/9.8 = 171.22 kg.

    Density ρ = m/V =171.22/2.8 =61.2 kg/m³.
    The body is floating if
    the buoyant force F acting on is greater than its weight
    F =ρ1•V•g = 600•2.6•9.8 =15288 N.
    F > Weight => the body will float

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