Simple Harmonic Motion

If two objects collide in an isolated system and stick together after the collision, which of the following must remain constant before and after the collision?

If the amplitude of a simple harmonic oscillator is quadrupled, its total mechanical energy will _____

What form does all potential and kinetic horizontal motion in simple harmonic motion for springs convert into upon reaching maximum compression or extension?

When an object performing simple harmonic motion on a spring system reaches one end of its path, what kind of energy is temporarily stored in the spring?

How would doubling only the amplitude affect total mechanical energy in an undamped harmonic oscillator where all other variables remain fixed?

A weight of mass $m$ is at rest at $O$ when suspended from a spring. When it is pulled down and released, it oscillates between two positions. Which statement about the system consisting of the spring and the mass is correct?

In the motion of a simple mass-spring oscillator, acceleration is at its maximum at _____

Elastic potential energy can be determined using the equation

What phase difference exists between displacement $x(t)$ and acceleration $a(t)$ for an object undergoing simple harmonic motion?

In a frictionless pendulum, where is the kinetic energy at its maximum?