Acertain particle is at rest with respect to you. assuming that you measure its mass to be 1 g, what is its energy? 1 ev = 1.6 x 10^-19 j. answer in units of mev.

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.

Which statement correctly describes the relationship between frequency and wavelength?

If angle "a" is 25°, angle "b" is: a) equal to angle c b) less than angle c c) greater than angle c