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Grade: 11
        Calculate the number of days in one year when the average distance between the sun and earth becomes half to its initial value
5 months ago

Answers : (1)

Khimraj
1916 Points
							According to Kepler’s law of time Periods, the square of time  period of a planet is directly proportional to cube of the semimajor axis of the orbit.Let T1 and a1 are initial time period and distance between sun and earth.So(T12/a13) = (T22/a23)(T1/T2)2 = (a1/a2)3(T1/T2)2 = (2)3(T1/T2)2 = 8T2 = T1/(81/2)T2 = 365/(81/2) = 129 Days.Hope it clears if still you have doubt you can ask me.If you like answer then please approve it.
						
5 months ago
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