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Physics
Physics
Problem
Satellites X and Y move in identical circular orbits of radius
r
r
r
around Earth, but the mass of Y is twice that of X. Which statement about their orbital periods is correct? a)
T
Y
=
2
T
X
T_Y = 2T_X
T
Y
=
2
T
X
b)
T
Y
=
2
T
X
T_Y = \sqrt{2}\,T_X
T
Y
=
2
T
X
c)
T
Y
=
T
X
T_Y = T_X
T
Y
=
T
X
d)
T
Y
=
T
X
2
T_Y = \dfrac{T_X}{2}
T
Y
=
2
T
X
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