AT WHAT HIGHT ABOVE THE GROUND MUST A BODY OF MASS 10KG IS SITUATED IN OTHER TO HAVE POTENTIAL ENERGY EQUAL IN VALUE TO THE KINETIC ENERGY POSSESSED BY ANOTHER BODY OF MASS 10KG MOVING WITH A VELOCITY OF 10M/S

Answer 1

1/2 * m*10^2=m*9.8*h
solve for h: h=50/9.8 meters

Answer 2

The height Of calmness!