An object with mass 0.150 kg is acted on by an elastic restoringforce with force constant 11.0 N/m . The object is set intooscillation with an initial potential energy of 0.130 J and aninitial kinetic energy of 5.10×10−2 J .
1. What is the amplitude of oscillation?
2. What is the potential energy when the displacement isone-half the amplitude?
3. At what displacement are the kinetic and potential energiesequal?
4. What is the value of the phase angle Ï• if theinitial velocity is positive and the initial displacement isnegative?
