# Physics

Saturn makes one complete orbit of the Sun every 29.4 years. Calculate the radius of the orbit of Saturn. Hint: It is a very good approximation to assume this orbit is circular.

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1. use the law: T^2 proportional to r^3

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2. swag

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Data Table Object The radius of Orbit (AU) Period (years) Circumference of Orbit (AU) Orbital Speed (AU/year) Orbital Speed (miles/hour) Mercury 0.387 0.24 Venus 0.723 .62 Earth 1.000 AU 1.000 yr 6.283 AU 6.283 AU/yr 66,627 mi/hr