The equation T^2=A^3 shows the relationship between a planet’s orbital period, T, and the planet’s mean distance from the sun, A, in astronomical units, AU. If planet Y is twice the mean distance from the sun as planet X, by what factor is the orbital period increased?
A. 2^1/3
B. 2^1/2
C. 2^2/3
D. 2^3/2

Question

The equation T^2=A^3 shows the relationship between a planet’s orbital period, T, and the planet’s mean distance from the sun, A, in astronomical units, AU. If planet Y is twice the mean distance from the sun as planet X, by what factor is the orbital period increased? 
A. 2^1/3
B. 2^1/2
C. 2^2/3
D. 2^3/2

anonymous · Answer

@dtan5457

anonymous · Answer

@Nnesha

triciaal · Answer

|sorry not 100% sure  but I got C  dw:1429767056107:dw|

irishboy123 · Answer

$$\frac{T_x^2}{T_y^2}=\frac{A_x^3}{A_y^3}$$ 
$$A_y = 2A_x$$