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  • Can anyone explain why 0 or DNE isn't a valid answer here?
    0, DNE, 0/5t or 0t are all invalid answers, despite the z-component being zero.

    February 14
  • January 15
  • samuelp, sarahw, audrey, julianne, sarah and 43 others joined.
    Welcome Aboard!
    January 13
  • mark earned the First Post badge.
    You are in there and getting involved. Have some free points!
    January 14
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    January 14
  • System
    Ping! An activity post is a public way to talk at someone. When you update your status here, it posts it on your activity feed.
    January 13