a sphere of mass 100grams of radius a=2cm falling vertically through air of density d=1.2kg/m3 attains a steady velocity v=30m/s²,if the returning force on the sphere is given by F=Kax Py Vz ,where k is a non dimensional coefficient, use the method of dimensions to find the value of x ,y and z​

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.