A tennis player hits a 58 g tennis ball so that it goes straight up and reaches a maximum height of 6.17 m. How much work does gravity do on the ball on the way up?
if it goes up 6.17 meters, then the displacement is 6.17 meters. the force will be as you said mgh. lets multiply that out .058*9.8*6.17=3.507.. work=3.507*6.17=21.638..kg/meter
