IOAA 2021 — Задача 1. Minimum velocity of a projectile (15 points).
Автор: Olympiads XYZ · транскрипция на официалните материали
Проверена срещу оригинала на 13.9.2026 от същия модел, който я е транскрибирал (без независима проверка)
Theory — Q11-1 — English (Official) · 15 т.
Условие
Minimum velocity of a projectile (15 points).
You may ignore the rotation of the Earth. Also assume the earth surface is spherical.

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 т.]
11.2 Find the eccentricity of the trajectory described by the projectile [3 т.]
Решение
Внимание: Непълно решение
No solutions document is present in the archive for this paper.
Оригинал в Архива: TQ-11-Q.pdf