# College Physics

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A 300 kg satellite is orbiting the earth with 20,352 km/h speed. Calculate the orbital radius in km. Assume G=7*(10^-11) N.m2/kg2 and Mass of earth = 6*(10^24) kg

• College Physics -

GM/R^2 = V^2/R = centripetal acceleration

Solve for R

R = G M/V^2

Make sure V is in m/s, to get R in meters.

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