The center-to-center distance between a planet and its moon, Ask an Expert

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The center-to-center distance between a planet and its moon is 367800 km. The moon completes an orbit in 23.1 days.

(a) Determine the moon's orbital speed.

m/s

(b) If gravity were switched off, the moon would move along a straight line tangent to its orbit, as described by Newton's first law. In its actual orbit in 1.00 s, how far does the moon fall below the tangent line and toward the planet?

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Category:- Physics
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