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                                    Artificial satellite needs a specific velocity for revolving around earth. Why ? | 
                            
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Answer» Solution :1.All artificial SATELLITES do not revolve in similar orbits around the earth.  2.When satellite is launched in its orbit by launcher then satellite is given a SPECIFIC velocity in a tangential direction to the orbit so it can START REVOLVING around the earth. 3.Each satellite NEEDS a different velocity as per its orbit.  | 
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