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The radius of the earth's very nearly circular orbit around the sun is 1.5x10^11.

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

b) Find the magnitude of the earth's angular velocity as it travels around the sun. Assume a year of 365 days.____s^-1

c) Find the magnitude of the earth's centripetal acceleration as it travels around the sun. Assume a year of 365 days._____m/s^2

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