2021年IOAA理论第11题-抛射体的最小速度

英文题目

Minimum velocity of a projectile (15 points).

11.1 What is the minimum speed with which a projectile must be launched from the Earth's surface at the equator such that the projectile reaches the north pole?

12.0pt

11.2 Find the eccentricity of the trajectory described by the projectile.

3.0pt

You may ignore the rotation of the Earth. Also assume the earth surface is spherical.

Reference Chart