a non conducting radius 2.5 cm carries a total charge Q . (a)calculate the total charge Q if electric field at the centre is 3.0×10^6 N/c. (b) calculate the number of atom at surface of the disc assuming that each atom has an effective cross-sectional area of 15×10^-2m^2

Describe uniform velocity and variable velocity in short

During which interval are the persons represented by the graph not moving? a) 0 to 0.5 hrs b) 1.5 to 2 hrs c) 2 to 2.5 hrs d) 4.5 to 5 hrs

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.