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A 1.0 kg mass weighs 9.8 N on Earth's surface, and the radius of Earth is roughly 6.4 x 10^6 m. Calculate the average density of Earth

  • physics-mechanics - ,

    I did this for you already

    A 1.0kg mass weighs 9.8 Newton on earth's surface, and the radius of Earth is roughly 6.4 x 10 to the power of 6. The mass of the earth is 6.02 x 10 to the power of 24. Calculate the average density of Earth?

    Physics - Damon, Monday, December 24, 2012 at 3:42pm

    Mass over volume:

    rho = 6.02 * 10^24 * 10^-18 / [(4/3) pi 6.4^3]

  • physics-mechanics - ,

    6*5e10

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