The force constant of a weightless spring is `16 N m^(-1)`. A body of mass `1.0 kg` suspended from it is pulled down through `5 cm` and then released. The maximum energy of the system (spring + body) will be

Options

A. `2xx10^(-2) J`
B. `4xx10^(-2) J`
C. `8xx10^(-2) J`
D. `16xx10^(-2) J`

Answer

A