P.E. AND K.E. IS CONVERSED IN A FREE FALL MOMENT OF BODY. BUT QUESTION IS THAT IN INITIAL BODY POSSES MAX. P.E. AND ZERO K.E. BUT IN FINAL WHEN TOUCH WITH GROUND , P.E. BECOME ZERO AND K.E. BECOME MAXIMUM (K.E. CHANGED INTO LIGHT AND SOUND) BUT WHY K.E. IN GROUND HAVE ZERO VELOCITY i.e. K.E.=0IN FINAL BOTH K.E. AND P.E. WILL ZERO THEN WHAT IS IMPORTANCE OF P.E. AND K.E. IN TOTAL ENERGY

rajan shri , 12 Years ago

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