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Calculate the centripetal acceleration needed to keep the Moon in its orbit (assuming a circular orbit about a fixed Earth) using the formula $a = \dfrac{v^2}{r}$. This is based on part (b) of Example 6.6
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Final Answer
$2.72\times 10^{-3}\textrm{ m/s}^2$
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OpenStax College Physics Solution, Chapter 6, Problem 38 (Problems & Exercises) (1:03)

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