The Earth is not a rogue planet

Classical Mechanics Level pending

A small rogue planet has been colonised by alien-human hybrids as the first of the Fourth Great and Bountiful Human Empire. Scientists were testing jettisoning projectiles on this spherical planet and recorded this down before they started:


  • Planet radius is 1200km

  • Planet mass is \(1.08 \times 10^{24}\) kg

  • Projectile speeds are 100m/s

Find the distance (in metres) between the starting point of the projectiles and the collision post of the projectiles with the ground. Assume this testing procedure occurred on flat ground.


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