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(((2*10^32J/300,000km/s)/(((4/3)*pi*(120km/2)^3)*(10^7kg/m^3)))/5s)/9.81m/s/s
(((2*10^32J/300,000km/s)/(((4/3)*pi*(120km/2)^3)*(10^7kg/m^3)))/5s)/9.81m/s/s
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