Which type of arrow is being shown if viewing a physics diagram and there is a soccer ball on the grass with an arrow that shows both the speed and direction of the ball?
an acceleration arrow

1. a vector

2. a force arrow

3. a speed arrow
answer and you.

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.

More solar radiation is absorbed by earth’s surface than by

Dao makes a table to identify the variables used in the equations for centripetal acceleration. what quantities belong in cells x and y?