The speed of sound in air at 25 degrees Celcius is 340 meters per second. The frequency of the note C3 is 128 Hertz. What is the wavelength of this sound wave?

Abaseball is thrown from the outfield toward the catcher. when the ball reaches its highest point, which statement is true? (a)its velocity is not zero, but its acceleration is zero. (b) its velocity and its acceleration are both zero. (c) its velocity is perpendicular to its acceleration. (d) its acceleration depends on the angle at which the ball was thrown. (e) none of the above statements are true.