Awoman drives a car from one city to another with different constant speeds along the trip. she drives at a speed of 80.0 km/h for 25.0 min, 65.0 km/h for 20.0 min, makes a stop for 60.0 min, then continues at 40.0 km/h for 30.0 min, at which point she reaches her destination.

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.

Select the word from the list that best fits the definition classification of most stars on the h-r diagram

Part a constants huck finn walks at a speed of 0.60 m/s across his raft (that is, he walks perpendicular to the raft's motion what is huck's velocity (speed and direction) relative to the river bank? express your answer to three significant figures and include the appropriate units. relative to the shore)