Ask Question
29 March, 17:24

How many 100-km-diameter rocky (3000 kg/m3) planetesimals would have been needed to form earth?

+4
Answers (1)
  1. 29 March, 20:26
    0
    Mass of the Earth:m (E) = 5.972 * 10^27 kgThe rocky planetsimal:V = 4/3 * (100,000 m) ³ π = 4/3 * 10^15 * 3.14 = 4.1867 * 10^15 m³m (Planetsimal) = 4.1867 * 10^15 m³ * 3 * 10³ kg/m³ m (Planetsimal) = 1.256 * 10^19 kgFinally:5.975 * 10^27 kg : 1.256 * 10^19 kg = 4.7548 * 10^8 Answer : 4.7548 * 10^8 or 475,480,000 planetsimals
Know the Answer?
Not Sure About the Answer?
Get an answer to your question ✅ “How many 100-km-diameter rocky (3000 kg/m3) planetesimals would have been needed to form earth? ...” in 📙 Geography if there is no answer or all answers are wrong, use a search bar and try to find the answer among similar questions.
Search for Other Answers