Recent content by shahin1234

  1. S

    Why does a pendulum only swing back and forth in a straight line?

    for 5 i used the PE=mgh and explained that height is the only thing changing. and KE= .5mv^2, the other ones I am kinda iffy about. 4,10,15 are the worst.
  2. S

    Why does a pendulum only swing back and forth in a straight line?

    Did you ever fugure out number 4,7,10, 12, 15 or 16, i got the rest if you need any?