MathDB

25

Part of 2018 Iran MO (1st Round)

Problems(1)

Dystopian ends for dystopian exams - Iran First Round 2018, P25

Source:

3/7/2021
Astrophysicists have discovered a minor planet of radius 3030 kilometers whose surface is completely covered in water. A spherical meteor hits this planet and is submerged in the water. This incidence causes an increase of 11 centimeters to the height of the water on this planet. What is the radius of the meteor in meters?
geometryphysicsSpheres