Mathematics · Speed, Time and Distance
A satellite moves in a circular orbit of radius R and completes one revolution in 24 hours with an original speed vorig. If a new satellite orbits at half of this radius (0.5R) but takes the same period of 24 hours to complete one revolution, how does its new speed (vnew) compare to the original speed?
- 1vnew = 0.5vorig✓
- 2vnew = 4vorig
- 3vnew = vorig
- 4vnew = 2vorig
Correct answer
vnew = 0.5vorig
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