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1. |
The potential energy of a rock, having mass m and rotating at a height of\[3.2\times {{10}^{6}}m\] from the earth surface, is |
A. | \[-6\,\,mg{{R}_{e}}\] |
B. | \[-0.67\,\,mg{{R}_{e}}\] |
C. | \[-0.99\,\,mg{{R}_{e}}\] |
D. | \[-0.33\,\,mg{{R}_{e}}\] |
Answer» C. \[-0.99\,\,mg{{R}_{e}}\] | |