MCQOPTIONS
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MCQOPTIONS
| 1. |
A satellite of mass m revolves around the earth of radius R at a height x from its surface. If g is the acceleration due to gravity on the surface of the earth, the orbital speed of the satellite is |
| A. | \[\frac{g{{R}^{2}}}{R+x}\] |
| B. | \[\frac{g{{R}^{2}}}{R-x}\] |
| C. | \[gx\] |
| D. | \[{{\left( \frac{g{{R}^{2}}}{R+x} \right)}^{1/2}}\] |
| Answer» E. | |