For Question, find the total energy of osciallation if mass of the body is 100g
Hint `: m = 100 xx 10^(-3) kg`
Energy `= (1)/(2) mA^(2) omega^(2)`

Explanation

`m = 100 xx 10^(3) kg`
Energy `=(1)/(2) mA^(2) omega^(2)`
`=(1)/(2) xx 100 xx 10^(-3) xx 0.05 xx 1 xx 1J`
`=12. 5 xx 10^(-5) J`