Recent content by JJphysics83

  1. J

    Easy problem that I'm a bit confused about.

    Homework Statement You have Joe and John playing catch in space. Joe throws the ball to John with a velocity of 7.5 m/s. Given Variables Joe's mass is 60.9 kg John's mass is 79.8kg Ball's mass is 6.5kg Find: A) Joe's velocity after he throws the ball. B) John's velocity after he...