In physics, work is defined as the total energy when an object is moved to a certain displacement by the application of external force. It is calculated by the expression W = Fd. For this case, the displacement is apparently zero, then there is no work in the system above.
Answer:
r1 -r2 = 3.75cm
Explanation:
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Answer:
D, if the sun was removed, all the planets would go flying off into space.
Explanation: