Question
Calculate the average density of planet Pluto, given its mean distance from the sun is 5.91×109 km, its radius is 1137 km, its volume is 6.157×109 km3, its orbital period is 248.1 years and its mass is 1.25×1022 kg. Report the density in g/cm3, without entering units.
Answers
Steve
what's all this nonsense about distance from the sun and length of its year?
density = mass/volume
1.25*10^22kg / 6.157*10^9km^3 * (1km/10^5cm)^3 * 1000g/kg = 2.03g/cm^3
density = mass/volume
1.25*10^22kg / 6.157*10^9km^3 * (1km/10^5cm)^3 * 1000g/kg = 2.03g/cm^3