A guitar creates sound waves of different pitches when the strings are plucked. How do the sound waves of the higher-pitched notes compare to the sound waves of the lower-pitched notes?
A
The sound waves of notes with higher pitches travel at slower speeds.
B
The sound waves of notes with higher pitches have lower amplitudes.
D
The sound waves of notes with higher pitches have higher
frequencies.
The sound waves of notes with higher pitches have higher
wavelengths.

Why is alchemy not considered to be a science ?

Arotating space station is said to create “artificial gravity”—a loosely-defined term used for an acceleration that would be crudely similar to gravity. the outer wall of the rotating space station would become a floor for the astronauts, and centripetal acceleration supplied by the floor would allow astronauts to exercise and maintain muscle and bone strength more naturally than in non-rotating space environments. if the space station is 200 m in diameter, what angular velocity would produce an “artificial gravity” of 9.80 m/s^{2} 2 at the rim?

This punnett square shows the cross between two pants. one parent has round seeds (rr). and the other parent has wrinkled seeds (rr) which best describes their offspring as shown in this cross?