U-15 completely filled with cement
1.1 m
figure 2. container filled with cement
if the mass of the cement is 15 000 kg, calculate the density of space
in kg m?

4

explanation:

4

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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.