Aman with mass 82 kg runs at a speed of 2.8 ms how much kinetic energy does he have? ? a.114.8 b.221.8 c.321.4 d.642.9

yup its correct its: c) b b

molecules are free to separate from each other and will take on the shape of the container. molecules move completely at random and high speeds. they vibrate in a fixed position and do not move around much. molecules expand to the edge of their container.