Recent content by crewrules101

  1. C

    Finding the mass of a hockey puck - inertia

    Units... Thanks! Yes my units are correct. I was skimming over my notes from class and I believe we have to use the ∆px=jx=area under the curve equation to find the ball's momentum: m(vf)x-m(vi)x but then I don't have "m" this whole thing is equal to jx and then the area under...
  2. C

    Finding the mass of a hockey puck - inertia

    Finding the mass of a hockey puck - inertia! An ice hockey puck slides along the ice at 12m/s. A hockey stick delivers an impulse of 4.5 kg * m/s, causing the puck to move off in the opposite direction with the same speed. What is the mass of the puck. Friction and drag are negligible. Any...
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