Determining wavelength
an infrared wave traveling through a vacuum has a frequency of 4.0 1014 hz. what is the wave's wavelength?
75 x 107 m
7.5 x 10-7m
12 x 1014 m
1.2 x 10-14 m

Work = force × a. work b. energy c. distance d. momentum

Imagine you are standing in the antarctic during the southern hemisphere summer. the sky is clear and blue. there are no clouds in the sky. your shadow is cast on the icy ground. what is the color of the shadow?

Asubject in a clinical research trial experiences a serious, unanticipated adverse drug experience. how should the investigator proceed, with respect to the irb, after the discovery of the adverse event occurrence? a. do not report the adverse drug experience to the irb since it is a common adverse experience.b. report the adverse drug experience to the irb only if there are several other occurrences.c. report the adverse drug experience as part of the continuing review report.d. report the adverse drug experience in a timely manner, in keeping with the irb's policies and procedures, using the forms or the mechanism provided by the irb.