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The radius of the earth's very nearly circular orbit around the sun is 1

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The radius of the earth's very nearly circular orbit around the sun is 1.50×10¹¹m.

Part A

Find the magnitude of the earth's velocity as it travels around the sun. Assume a year of 365 days.

Express your answer to three significant figures and include the appropriate units.

Part B

Find the magnitude of the earth's centripetal acceleration as it travels around the sun. Assume a year of 365 days.

Express your answer to three significant figures and include the appropriate units.