Atechnique in which the muscles are stretched by an outside force is called

An aircraft performs a maneuver called an "aileron roll." during this maneuver, the plane turns like a screw as it maintains a straight flight path, which sets the wings in circular motion. if it takes it 35 s to complete the circle and the wingspan of the plane is 11 m, what is the acceleration of the wing tip

The plum pudding model of the atom states that ?

At what time will the interfering waves have an amplitudeof zero?