A mass$$m$=0\mathrm{.}95$kgm$=0\mathrm{.}95$kg$$is at the end of a horizontal spring on a frictionless horizontal surface. The mass is oscillating with an amplitude$$A$=3\mathrm{.}5$cmA$=3\mathrm{.}5$cm$$and a frequency$$f$=0\mathrm{.}65$Hzf$=0\mathrm{.}65$Hz$.$