Recent content by redsmithers91

  1. R

    A rebound and kinetic energy problem with a little specific heat

    but how do i find the mass ...i found the the joules lost to be 63(mass) joules
  2. R

    A rebound and kinetic energy problem with a little specific heat

    Homework Statement A ball is thrown vertically downward strikes a surface with a speed of 15m/s. It then bounces, and reaches a maximum height of 5 meters. Neglect air resistance on the ball. a) What is the speed of the ball immediately after it rebounds from the surface? b)What fraction...