5. in order for an f-18 fighter jet to take off from an aircraft carrier, it needs to reach a
speed of 73 m/s by quickly accelerating down a 90 m long runway. if an f-18 starts its
takeoff from rest, what acceleration does the fighter jet undergo during takeoff?

Laboratory experiments, observational field studies, and model-building are all examples of different forms of scientific investigations.  in what way do laboratory experiments primarily differ from other forms of scientific investigations?   a.  a laboratory experiment is the only accepted form of investigation within the scientific community.  b.  studies about how things behave in nature or studies involving very large objects are best answered through laboratory experiments.  c.  laboratory experiments involve the identification and control of variables.  d.  data can only be generated through laboratory experiments, not other forms of investigation.

Each line (unit) on the horizontal axis represents: 5 years 10 years 20 years all of the above

Provides most of the energy used in the world today. question 4 options: wind fossil fuel moving water sunlight