Recent content by LouysHong

  1. LouysHong

    Undergrad Launching a particle at the highest point inside a sphere

    If a smooth sphere with radius a is fixed on a plane, and a particle is projected horizontally at the highest point outside/on of the sphere with speed (4ag/5)^0.5, I know that the particle will lose contact with the sphere when it makes an angle of theta with the upward vertical, where theta is...