Gravitational and Gravity :: Discussion


2.A satellite revolves very near to the earth surface. Its speed should be around?
A.5km/s
B.8km/s
C.2km/s
D.11km/s
Answer:  Option  B
Explanation:

Near the earth’s surface,
v0=√gR=7.2km/s
Approximately 8km/s.

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Published by:Michael Daani

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