MCQOPTIONS
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MCQOPTIONS
| 1. |
The angular velocity of the earth with which it has to rotate so that acceleration due to gravity on 60o latitude becomes zero is (Radius of earth = 6400 km. At the poles \[g=10\,m{{s}^{-2}})\] [EAMCET 2000] |
| A. | \[2.5\times {{10}^{-3}}rad/s\] |
| B. | \[5.0\times {{10}^{-1}}rad/s\] |
| C. | \[10\times {{10}^{1}}rad/s\] |
| D. | \[7.8\times {{10}^{-2}}rad/s\] |
| Answer» B. \[5.0\times {{10}^{-1}}rad/s\] | |