What is the x component of a vector that is defined as 91 m at -105°? A) -88 m
B) 88 m
C) -24 m
D) 24 m

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.

Simple machines can a. increase force only b. decrease force only c. increase or decrease force

What is the orbital period of a spacecraft in a low orbit near the surface of mars? the radius of mars is 3.4×106m.