What does Newton's law of gravitation state that two masses will do? A always fall
B repel each other
C attract each other
D not have any affect on each other
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What is the independent variable in this investigation? mass volume sample number substance density

The twister and runaway train are two coasters at the same amusement park. both coasters start at the same height. the coaster for the twister is twice the mass of the coaster for the runaway train. which roller coaster has greater gravitational potential energy at the start of the ride?

Water is initially present in a state where its molecules are far apart. during a change of state, its molecules slow down. which change of state has most likely taken place? from a gas to a liquid from a liquid to a gas from a solid to a liquid from a gas to a plasma