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In Kepler’s law of periods T^2 = kr^3, t...

In Kepler’s law of periods `T^2 = kr^3`, the constant `k = 10^(–13) s^2m^(–3)`. Express the constant k in days and kilometers. The moon is at a distance of `3.84 xx 10^5` km from the earth. Obtain its time period of revolution in days.

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