Question

What is a amplitude

Answer 1

In physics amplitude is

the maximum extent of a vibration or oscillation, measured from the position of equilibrium.

In astronomy amplitude is

the angular distance of a celestial object from the true east or west point of the horizon at rising or setting.

Answer 2

the maximum displacement or distance moved by a point on a vibrating body or wave measured from its equilibrium position. It is equal to one-half the length of the vibration path.

Step-by-step explanation: