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3 December, 01:03

The radius of the planet saturn is 6.03 * 107 m, and its mass is 5.68 * 1026 kg.

a. find the density of saturn (its mass divided by its volume) in grams per cubic centimeter. (the volume of a sphere is given by πr 3.) 4 __3

b. find the surface area of saturn in square meters. (the surface area of a sphere is given by 4πr 2.)

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Answers (2)
  1. 3 December, 01:25
    0
    You wouldn't know it from reading the question,

    but the volume of a sphere is

    4/3 π (radius) ³.

    So the volume of Saturn is

    (4/3 π) (6.03 x 10⁷ m) ³ = about 9.184 x 10²³ m³

    and its density is (mass) / (volume)

    = (5.68 x 10²⁶ kg) / (9.184 x 10²³ m³)

    Sadly, we need this to be in units of ' gram/cm³ ' so we need to

    account for some conversion of units.

    = (5.68 x 10²⁶ kg) · (1,000 g/kg) / (9.184 x 10²³ m³) · (10⁶ cm³/m³)

    = (5.68 x 10²⁹ grams) / (9.184 x 10²⁹ cm³)

    = 0.618 gram/cm³.

    Look at that!

    The density of the planet Saturn is less than ' 1 '.

    If you had a big enough bathtub full of water, Saturn would float in it!

    The surface area of a sphere is

    4 π (radius) ²

    = (4 π) (6.03 x 10⁷ m) ²

    = (4 π) (36.4 x 10¹⁴ m²)

    = 4.57 x 10¹⁶ m²
  2. 3 December, 01:30
    0
    I hope it cleared your doubt.
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