The force constant of a weightless spring is 16 N/m. A body of mass 1.0 kg suspended from it is pulled down through 5 cm and then released. The maximum kinetic energy of the system (spring + body) will be [MP PET 1999; DPMT 2000]

• A.        \[2\times {{10}^{-2}}\,J\]
• B.        \[4\times {{10}^{-2}}\,J\]
• C.        \[8\times {{10}^{-2}}\,J\]
• D.        \[16\times {{10}^{-2}}\,J\]