A string is pulled tight. A machine causes it to vibrate at different frequencies. What will happen to the vibrations in the string when they are vibrating at their resonant frequency? A.
The amplitude of the vibrations will increase.
B.
The frequency of the vibrations will increase.
C.
The wavelength of the vibrations will increase.
D.
The period of the vibrations will increase.

After a group of researchers conducts a new experiment that has never been conducted before, what is the best way for other scientists to make sure that the data is real

Dr. arenas is a scientist who has been trying to determine if increasing pressure will increase the sound that occurs when two chemicals explode. it measures the volume of the sound that occurs at the minimum pressure at which the explosion will occur. it then increases the pressure and measures the volume of the explosions that occur. what kind of investigation is the scientist conducting?

Which star has the highest apparent magnitude?