Answer to Question #256647 in Physics for abela

Question #256647

The earth is, on average, 150 million kilometers from the sun. Calculate its average speed in orbit.

Expert's answer

"v^2=G\\frac{M}{R}\\\\v^2=6.67\\cdot10^{-11}\\frac{2\\cdot10^{30}}{1.5\\cdot10^{11}}\\\\v=29.8\\frac{km}{s}"

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