During which part of the simple harmonic motion velocity is positive but the displacement is negative , and vice versa ?

Define linear simple harmonic motion.

Which one of the following is a simple harmonic motion?

Which of the following is not a simple harmonic motion?

In case of a simple harmonic motion, if the velocity is plotted along the X-axis and the displacement (from the equilibrium position) is plotted along the Y-axis, the resultant curve happens to be an ellipse with ratio: ("major axis(along X)")/("major axis (along Y)")=20pi What is the frequency of the simple harmonic motion ?

The total energy of a particle executing simple harmonic motion is (x- displacement)

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

For a particle executing simple harmonic motion, which of the following statements is not correct

In a simple harmonic oscillator, at the mean position

Which of the quantities distance, speed, velocity, time and displacement are scalars and which are vectors ?

The equation of a simple harmonic progressive wave along the positive direction of X axis is given by