A light bulb is immersed in a tank of liquid with refractive index 1.52. A ray of light from the bulb is incident on the water/air interface at an angle of 56 from the horizontal interface. > At what angle, in degrees from the normal, does the refracted ray exit into the air? Grade S Deducti Potentia Late We Late Po sin0 tan0 acoso coso asin0 Submiss Attempt atan acotan) sinh0 coshtanhcotanho 0 Degrees O Radians 0 detailed Hint Hints: 4% deduction per hint. Hints rernaining: 2 Feedback: deduction per feedback. % All content C

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.