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OpenStudy (anonymous):
Planet Z is 10,000 km in diameter. The acceleration due to gravity on Planet Z is 7.5 m/s2. (a) What is the mass of Planet Z? kg (b) What is the acceleration due to gravity 10,000 km above Planet Z's north pole? m/s2
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OpenStudy (shamim):
a) Dovu knowvthe foemula g=GM/R^2
OpenStudy (shamim):
Given g=7.5m/s^2 M=?
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