The first one is conduction and the second one is radiation
Answer:
The values is
Explanation:
From the question we are told that
The speed of the fire engine is
The frequency of the tone is
The speed of sound in air is
The beat frequency is mathematically represented as
Where is the frequency of sound heard by the people in the fire engine and is is mathematically evaluated as
substituting values
Thus
<u>Project loon</u> balloons float in the stratosphere, twice as high as airplanes and the weather.
<h3>Project loon </h3>
Project loon was a project made to create wireless network by using high altitude balloons that floated in the stratosphere twice as high as an airplane could go, users where to connect to the balloon network via an antenna placed on their various buildings.
The project loon is still not a complete success and might be shut off anytime according to reports.
Hence we can conclude that project loon balloons float in the stratosphere twice as high as airplanes
Learn more about wireless network : brainly.com/question/6846967
Je me sais pas, je ne parle pas ton langue
The answer should be "The object with the greater mass should be attached to the spring with the smaller <span>spring constant."
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