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1. |
The gravitational force makes a satellite go round the earth in a circular orbit, if it is projected with an initial velocity of |
A. | 8.04 km/sec at a height of 285 km |
B. | 11.11 km/sec at a height of 37, 400 km |
C. | 11.26 km/sec, the satellite escapes the pull of the earth |
D. | all the above. |
Answer» E. | |