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An artificial satellite moving in a circ...

An artificial satellite moving in a circular orbit around the earth has a total energy `E_(0)`. Its potential energy is

A

`-E_0`

B

`1.5 E_0`

C

`2 E_0`

D

`E_0`

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An artifical statellite moving in a circular orbit around the earth has a total (kinetic + potential) energy -2MJ . Then, what is its kinetic energy (in MJ ).

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Knowledge Check

  • Statement-1 : An artificial satellie moving in a circular orbit around the earth has a total energy (i.e., sum of potential energy and kinetic energy) E_(0) . Its potential energy is -E_(0) . Statement-2 : Potential energy of the body at a point in a gravitaitonal field of earth is -(GMm)/(R ) .

    A
    Statement -1 is true , Statement -2 is true , Statement-2 is a correct explanation of Statement -1.
    B
    Statement -1 is true , Statement-2 is true , Statement-2 is a correct explanation of Statement-1.
    C
    Statement-1 is true , Statement-2 is false.
    D
    Statement-1 is false , Statement-2 is true.

  • An artificial satellite moving in a circular orbit around the earth has a total (kinetic + potential) energy E_(0) . Its potential energy and kinetic energy respectively are

    A
    `2E_(0) and -2E_(0)`
    B
    `-2E_(0) and E_(0)`
    C
    `2E_(0) and -E_(0)`
    D
    `-2E_(0) and -E_(0)`

  • An artificial moving in a circular orbit around the earth has total mechanical energy E_(0) . Its kinetic energy is

    A
    `-2E_(0)`
    B
    `1.5 E_(0)`
    C
    `2E_(0)`
    D
    `-E_(0)`

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