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baherus [9]
3 years ago
15

8. A vacuum tube can be used to

Physics
1 answer:
Gnoma [55]3 years ago
8 0

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Objects with mass exert forces on each other via the force of gravity. This force is proportional to the mass of the two interacting objects, and is inversely proportional to the square of the distance between them. The factors G, M, and r are the same for all masses at the surface of the Earth.

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