Physics, asked by BAkash6910, 4 months ago

The distance of to planets from the sun are 10 rise to the power of 13m and 10 rise to the power of 12m respectively.Find the ratio of time periods and orbital speeds of the two planets.

Answers

Answered by acpd75
1

Answer: Using Kepler's 3'd Law     T^2 = K R^3

T1^2 / T2^2 = R1^3 / R2^3

T1 ^2 / T2^2 = 10^39 / 10^36 = 1000

T1 = 32 T2

2 pi R = v T    using mean distance and time for 1 revolution        

v1 / v2 = R1 T2 / (R2 T1)  = (R1 / R2) * (T2 / T1) = 1000 /32 = 32

Explanation:

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