Which one of the following statement is true for the speed `v` and the acceleration a of a particle executing simple harmonic motion?

Which one of the following statements is true for the speed v and the acceleration a of a particle executing simple harmonic motion?

The velocity of a particle executing simple harmonic motion is

The total energy of a particle executing simple harmonic motion is

The total energy of a particle, executing simple harmonic motion is.

While a particle executes linear simple harmonic motion

While a particle executes linear simple harmonic motion

Which of the following relationships between the acceleration a and the displacement x of a particle executing simple harmonic motion?

Which of the following relationships between the acceleration a and the displacement x of a particle executing simple harmonic motion?

The phase of a particle executing simple harmonic motion is pi/2 when it has