Explanation:
1. The entire span of possible sound waves is called the acoustic spectrum. It is subdivided into infrasonic sounds, audible sounds, and ultrasonic sounds.
2. The difference between a musical note and another note at twice the frequency is called an octave.
3. Sound intensity varies with the inverse square of distance.
Frequency can be found by counting the number of troughs per second in a wave diagram.
Car B, Car C, And Car E Are either speeding up or slowing down
Answer:
Liquid
Explanation:
Substance that assumes shape of the container, slides past each other, has no definite shape but definite volume, not easily compressible, and flows easily.
Answer:
It is doubled.
Explanation:
The EMF( Electromotive force) is usually gotten from an energy source. In this case it is from the magnetic field. However when the other parameters are constant then the main focus is between the EMF and the magnetic field. They have a direct proportion relationship which is why when the magnetic field is doubled the EMF is doubled too.
