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Intro to Physics

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The gravitational force exerted on a solid object is 5.15 N as measured when the object is suspended from a spring scale. When the suspended object is submerged in water, the scale reads 4.00 N. Find the density of the object.

  • Intro to Physics - ,

    The buoyancy force in water is 1.15 N.

    1.15 N = V*g*1000 kg/m^3
    5.15 N = V*g*(density)
    Combine the two above equations to get
    density/1000 = 5.15/1.15 = 4.48
    density = 4480 kg/m^3
    = 4.48 g/cm^3

  • Intro to Physics - ,

    The answer is wrong, and I am not sure why

  • Intro to Physics - ,

    Nvm it is correct! Thank you!

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