A planet of the sun is in a circular orbit around the sun, midway between the sun and the earth. Then

Question

A planet of the sun is in a circular orbit around the sun, midway between the sun and the earth. Then, the period of the planet is nearly 229 d a y s, the period of the planet is nearly 129 d a y s, the speed of the planet is greater than the escape velocity of the earth, the acceleration of the planet is two times the acceleration of the earth

MARKS App · Accepted Answer

T 2 ∝ r 3 T 1 T 2 = r r / 2 3 / 2 365 days T = 2 2 ; T = 365 2 2 days ⇒ 129 days

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