1.

The satellite of mass m is orbiting around the earth in a circular orbit with a velocity v.What will be its total energy ?

Answer»

`(3//4)MV^(2)`
`(1//2)mv^(2)`
`mv^(2)`
`(1//2)mv^(2)`

SOLUTION :Total energy `=-K.E.`
`K.E.=(|P.E.|)/(2), K.E. =(1)/(2)mv^(2)`
`:.` Total energy `=(-1)/(2)mv^(2)`.


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