SirIsaac

6 ms·

1. 31.▲
   by SirIsaac 5y ago

   > Energy and momentum are preserved. m g h = 1/2 m v² is tested over and over again in ballistics experiments in intro physics labs. If every result is divided by 2, that is not a test. It's a useless convention. It is silly to
2. 32.▲
   Textbook Kinetic Energy Equation (E = 1/2 mv²) is Wrong(medium.com)

   3 points by SirIsaac 5y ago|18 comments