hey, i am really stuck on this problem and i was wondering if anyone could help me...(adsbygoogle = window.adsbygoogle || []).push({});

The planet Mercury orbits the Sun at a mean distance of 5.80X10^7 km.

a) calculate the strength of the Sun's gravity field (g) at Mercury's mean distance.

b) Calculate Mercury's orbital speed in m/s and in km/h.

Any assistance on the problem would be greatly appreciated!!

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# Homework Help: Gravity/Circular Motion

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