MCQOPTIONS
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MCQOPTIONS
| 1. |
A spherical uniform planet is rotating about its axis. The velocity of a point on its equator is v. Due to the rotation of planet about its axis the acceleration due to gravity g at equator is 1/2 of g at poles. The escape velocity of a particle on the pole of planet in terms of v is |
| A. | \[{{v}_{e}}=2v\] |
| B. | \[{{v}_{e}}=v\] |
| C. | \[{{v}_{e}}=v/2\] |
| D. | \[{{v}_{e}}=\sqrt{3}v\] |
| Answer» B. \[{{v}_{e}}=v\] | |