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View Policies Show Attempt History Current Attempt in Progress Incorrect Consider two iron spheres, each of diameter 1 2 0 m m , which are

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Consider two iron spheres, each of diameter

120 m m,

which are just touching. At what distance

r

from the center of the earth will the

force of mutual attraction between the contacting spheres be equal to the force exerted by the earth on one of the spheres?

Answer:

r = i

1 (10^{7}) k m

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