Ninfa Asby: as it goes up, it loses its KE, it KE will transfer to PEPE = KEPE = 138mgh = 138.5 * 9.8 * h = 138h = 28.16m...Show more
Marjory Stromme: Conservation of energy also means that energy can be changed into different forms. In this case, kinetic becomes potential.Potential energy=(mass)(acceleration due to gravity)(height)Final Potential Energy=Initial Kinetic Energy(.5)(9.8)(height)=138Height is about 28.2 meters....Show more
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