49. Assume that satellites orbit the Earth in circular orbits. Which of the following statements is correct?
[(1)] The orbital speed of a satellite around the Earth is proportional to the square root of the satellite's distance from the center of the Earth.
[(2)] The square of the orbital period of a satellite around the Earth is proportional to the cube of the satellite's distance from the center of the Earth.
[(3)] The acceleration of a satellite is proportional to the square root of the satellite's distance from the center of the Earth.
[(4)] The weight of a satellite is inversely proportional to the square root of the satellite's distance from the center of the Earth.
\textbf{49.} Assume that satellites orbit the Earth in circular orbits. Which of the following statements is correct?
\begin{enumerate}
\item[(1)] The orbital speed of a satellite around the Earth is proportional to the square root of the satellite's distance from the center of the Earth.
\item[(2)] The square of the orbital period of a satellite around the Earth is proportional to the cube of the satellite's distance from the center of the Earth.
\item[(3)] The acceleration of a satellite is proportional to the square root of the satellite's distance from the center of the Earth.
\item[(4)] The weight of a satellite is inversely proportional to the square root of the satellite's distance from the center of the Earth.
\end{enumerate}