" If a body is executing simple harmonic motion,"

The ratio between kinetic and potential enerdies of a body executing simple harmonic motion,when its is at a distance of 1/N of its amplitude from the mean potion is,

What is the acceleration of a body executing simple harmonic motion when its velocity is maximum ?

Derive expressoin for kinetic energy, potential energy and total energy of a body executing simple harmonic motion. In what positions the energy is wholly kinetic energy or wholly potential energy?

The periodic time of a body executing simple harmonic motion is 3 sec. After how much time from time t=0 , its displacement will be half of its amplitude