MCQOPTIONS
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MCQOPTIONS
| 1. |
A imaginary planet has half the mass and half the radius of the earth. The acceleration of gravity at its surface would be |
| A. | 9.8 m/s2 |
| B. | 107 dynes |
| C. | 4.9 m/s2 |
| D. | 19.6 m/s2 |
| E. | 2.45 m/s2 |
| Answer» E. | |