Ms. Reitman's scooter starts from rest and accelerates at 2.0 m/s2. What is the scooter's velocity after 7 s?
a 10 m/s
b 14 m/s
C 18 m/s
d 20 m/s

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.

Determine el momento angular de un rueda de 3000g moviendose a 10m/s con un radio de giro de 400cm

The experiment was repeated many years later but the gases were mixed in a different type of container. a white solid was obtained which was xenon fluoride. predict whether you think 1) krypton and 2) radon will react with fluorine. explain reasons for your predictions