An audio technician wishes to determine the distance from ground to water level in a well by using an adjustable frequency oscillator in the audio range. Her assistant reports that she is able to establish two successive resonances at 55.26 Hz and 61.14 Hz. (Assume that the speed of sound in air is 343 m/s.)(a) How deep (in m) is the well? m(b) How many antinodes are in the standing wave at 55.26 Hz? antinodes
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Ответ:
Explanation :
Fahd is trying to write a focused scientific question. He write the question as " Does the material something is made of affect its density? "
Density is the ratio of mass and the volume of an object. Density depends only on mass and volume of the substance.
This question could be rewritten as :
How does changing an object’s material change its density?