Physics

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A 67.0 kg astronaut on the planet Zircon (mass = 1.15 x 1023 kg and radius = 2.00 x 106 m) tosses a 8.00 g frog astronaut (a frogonaut?) horizontally with a speed of 7.45 m/s. The 8.00 g frog falls through a vertical distance of 1.40 m and lands a horizontal distance of 8.05 m from the 67.0 kg astronaut. What is the acceleration of gravity on Zircon? (Neglect air resistance.)

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