Question Number 31144 by NECx last updated on 03/Mar/18
$${A}\:{mass}\:{oscillating}\:{on}\:{a}\:{spring} \\ $$$${has}\:{amplitude}\:{of}\:\mathrm{1}.\mathrm{2}{m}\:{and}\:{a} \\ $$$${period}\:{of}\:\mathrm{2}.\mathrm{0}{s}. \\ $$$$\left({a}\right){Deduce}\:{the}\:{equation}\:{for}\:{the} \\ $$$${displacement}\:{x}\:{if}\:{the}\:{timing}\:{starts} \\ $$$${at}\:{the}\:{instant}\:{where}\:{the}\:{mass} \\ $$$${has}\:{its}\:{maximum}\:{displacement}. \\ $$$$\left.{b}\right){calculate}\:{the}\:{time}\:{interval} \\ $$$$\left.{c}\right){the}\:{velocity}\:{at}\:{this}\:{position}. \\ $$
Commented by NECx last updated on 07/Mar/18
$${please}\:{I}\:{need}\:{help}\:{on}\:{this} \\ $$
Commented by NECx last updated on 03/Mar/18
$${please}\:{help} \\ $$