A toy rocket is shot straight up into the air with an initial speed of 45.0 m/s. a. How long does it take for the rocket to reach its highest point?
4.6
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b. How high does the rocket rise above the ground?

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.

Phase changes are chemical changes. true or false

In a good thermo flask the main cause of heat loss is