5. The planet Theta has 3 times the gravitational field strength and 4 times the mass ofthe Earth. How does the radius of Theta compare with the radius of Earth?a. rTheta = TEarth2b. rrheta = EarthC. Theta= -r.Earth3d. TTheta = VVZrEEarth 6. A planet and moon are a distance 3r from each other. The moon has mass 2m, andthe planet has mass 4m. What is the gravitational potential energy of the moon-planet system?8Gm?а.8Gm?b.3r4GmC.3r8Gm?d.3r

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The planet Theta has 3 times the gravitational field strength and 4 times the mass of the Earth. How does the radius of Theta compare with the radius of Earth? a. PTheta = 'Earth 2 ==rEarth V3 b. rTheta C. TTheta -TEarth d. rTheta = V VZrEarth