A motorboat heads due east at 25 m/s across a river that flows due north at 12 m/s. a) Calculate the speed of the boat.

d) The river is 150 m wide. Calculate the time it takes the motorboat to reach the

other side.

b) Calculate the distance downstream the boat is when it reaches the other side of the

river.

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.