The radius of the Earth's orbit around the sun (assumed to be circular) is 1.50*10^8...
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The radius of the Earth's orbit around the sun (assumed to be circular) is 1.50*10^8 km, and the Earth travels around this obit in 365 days. The mass of the Earth is 5.97*10^24 kg.(a) What is the magnitude of the orbital velocity of the Earth, in m/s?(b) What is the radial acceleration of the earth toward the sun, in m/s?(c) What is the magnitude of centripetal force acting on the Earth?(d) What is responsible for providing this centripetal force?(e) Calculate the gravitational acceleration Of the Earth (not ON the Earth). Hint: think of youranswer to part (d), and set two forces equal to each other.(f) What would happen to the Earth's motion if gravity was turned off? Answer as precisely aspossible.
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