The value of escape velocity on a certain planet is 2 km/s. then the value of orbital speed for a satellite orbiting close to its surface is

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Q: The value of escape velocity on a certain planet is 2 km/s , then the value of orbital speed for a satellite orbiting close to its surface is

(a) 12 km/s

(b) 1 km/s

(c) √2 km/s

(d) 2√2 km/s

Click to See Answer :
Ans: (c)

 

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