### Determine the moons orbital speed

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Q. A motorcycle has a constant speed of 21.0 m/s as it passes over the top of a hill whose radius of curvature is 132 m. The mass of the motorcycle and driver is 343 kg. Determine the magnitude of the normal force that acts on the cycle.

Q. A moon of a planet like the earth is 6.1 x10^km distant from the planet's center, and it completes an orbit in 24.5 days. Determine the moon's orbital speed. Answer in units of m/s and How far does the moon fall toward the planet in 1.49s? Reply in units of mm.

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