State the principle of superposition ? Why do we use the phrase 'algebraic sum' in the statement ?

State the principle of superposition of waves.

Can we apply the principle of superposition to both types of waves ?

Why do we group data?

What do you understand by the principle of superposition?

Why do we keep both snake and turtle in the same class?

Why do we need pure substances ?

Why do we add alum to purify water ?

Why do we call our heart myogenic ?

Statement I : The principle of superpositions states that amplitudes , velocities , and , accelerations of the particles of the medium due to the simultaneous operation of two or more progressive simple harmonic waves are the vector sum of the separate amplitude , velocity and acceleration of those particles under the effect of each such wave acting alone in the medium Statement II : Amplitudes , velocities and accelerations are linear functions of the displacement of the particle and its time derivates.

Why do we call our heart myogenic?