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
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
- A
$2 \times {10^{ - 2}}\,J$
- B
$4 \times {10^{ - 2}}\,J$
- C
$8 \times {10^{ - 2}}\,J$
- D
$16 \times {10^{ - 2}}\,J$
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