If the distance between the earth and the sun were half its present value, the number of days in a year would have been

Question

If the distance between the earth and the sun were half its present value, the number of days in a year would have been, 64 . 5, 129, 182 . 5, 730

MARKS App · Accepted Answer

T T ′ = ( R R / 2 ) 3 2 ⇒ T ′ = T ( 1 2 ) 3 2 T ′ = 1 2 3 / 2 × 365 d a y s = 1 2 2 × 365 d a y s = 182.5 2 × 2 2 d a y s = 91.25 × 1.414 d a y s = 129 d a y s

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