Example 1 · difficulty 3/5
For a satellite of mass m in a circular orbit of radius 4 m, GMm = 2 J m. Which set gives its kinetic energy K, potential energy U and total energy E?
- A. K = 0.25 J, U = 0.5 J, E = 0.75 J
- B. K = 0.25 J, U = -0.5 J, E = -0.25 J
- C. K = 0.5 J, U = -0.5 J, E = 0 J
- D. K = 0.25 J, U = -0.25 J, E = 0 J