Two rocks, one of mass 30 kg and the other of mass 60 kg, are separated by a distance of 1.0 m. They exert a gravitational force on each other of magnitude F. Which other pair of rocks exert a force of magnitude F on each other? A. a rock of mass 100 kg and a rock of mass 18 kg, separated by 1.0 m
B. two rocks, each of mass 45 kg, separated by 1.5 m
C. two rocks, each of mass 45 kg, separated by 1.0 m
two rocks, each of mass 60 kg, separated by 2.0 m

some think that theories become laws, but theories and laws have separate and distinct roles in the scientific method. a law is a description of an observed phenomenon in the natural world that hold true every time it is tested. it doesn't explain why something is true; it just states that it is true.

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as we probably am aware that our atmosphere or air have various levels, each level has different gasses, and each gas has another porousness. at the point when the light originates from lower porousness to higher penetrability, it alters its course. with the goal that implies that when the light originates from the moon to the earth, it alters it's course a lot more occasions. it essentially implies that the state of the light piece of the moon is changed on the earth.

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the components of a vector are the parts of the vectors that are to each other.

b perpendicular