Imagine a spherical ball named "OrbMover" suspended from a ceiling and initially hanging at a rest angle of 9.5° from the vertical. Determine the new angle that OrbMover must reach if its total potential and kinetic energy combined are to be doubled.

• A. A₂=13°
• B. A₂=14°
• C. A₂=15°
• D. A₂=16°

Answer: (A)