Classical Mechanics Level 3

For a satellite revolving around the earth in circular orbit which of the following is \(always\) true.. Given U is taken zero at infinity Where
\(E\) is total energy of satellite
\(U\) is gravitational potential energy of satellite
\(K\) kinetic energy of satellite

  1. \(K = -E\)
  2. \(K = U/2\)
  3. \(K = -U/2\)
  4. \(E = U/2\)
  5. \(2U = E\)

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