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1. |
Two satellites of masses 50 kg and 100 kg revolve around the earth in circular orbits of radii 9R and 16R. What is the ratio of speeds of the two satellites? |
A. | 3:4 |
B. | 4:3 |
C. | 9:16 |
D. | 16:9 |
Answer» C. 9:16 | |