Recent content by grrrphysics

  1. G

    Elastic collision 2 dimension unequal masses not at rest

    Please help! i know how to do a elastic collisions in 1 dimension, but the 2D is too confusing...here is my problem: You have a blue ball with a mass of 1.5 kg moving with a speed of 4.5 m/s in a direction below the positive x-axis. You have a red ball with a mass of 3.6 kg moving with a...