<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
Answer:
The answer is given in the attachment
Explanation:
The efficiency of a machine indicates how well its input energy is converted to useful output energy or work. It is a major factor in the usefulness of a machine and is the fraction or percentage of the output divided by the input.
According to the Law of Conservation of Energy, the total output energy or work must equal the total input energy. However, some of the input energy does not contribute to the output work and is lost to such things as friction and heat.
Examples of machine efficiency include a lever, automobile, and perpetual motion machine.
Explanation:
everything can be found in the picture
We have negative acceleration when an object projected upwards, while positive acceleration is a free fall.