Find the magnitude of the earth\'s velocity as it travelsaround the sun. Assume

Question

Find the magnitude of the earth's velocity as it travelsaround the sun. Assume a year of 365 days. Find the magnitude of the earth's angular velocity as ittravels around the sun. Assume a year of 365 days. Find the magnitude of the earth's centripetal acceleration asit travels around the sun. Assume a year of 365 days. For some reason either myself or my teacher failed in thissubject? i have no formulas to get the answers for any of thesequestions? Please explain the equations i have a midterm thiscoming thursday!!!!

Explanation / Answer

1.5x10^11 m is the radius, then thecircumference is 2 times that or
9.4e11 m

So we get 9.4e11m/365.25days x 1day/24hours = 0.00108 e11 m/hour or1.08e8 m/hour

1.08e8 m/hour x 1hr/3600s = 3.0e1 m/s or 30 m/s

Angular velocity is 360 degrees or 2 radians per year

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