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A satellite of mass m initially at rest ...

A satellite of mass m initially at rest on the Earth is to be launched into a circular orbit at a height equal to the radius of the Earth. The minimum energy required is

A

`(GMm)/(R )`

B

`(GMm)/(2R)`

C

`(GMm)/(4R)`

D

`(3GMm)/(4R)`

Text Solution

Verified by Experts

The correct Answer is:
B
The minimum energy required,
`E = (GMm)/((R+h)) = (GMm)/((R+R)) = (GMm)/(2R)`
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