A cannon is on the edge of a cliff 5.2 x 102 m above the ground. A cannon ball leaves the cannon at 1.5 x 102 m/s. If the cannon aimed at an angle of of 60. degrees above the horizontal (i. e. aimed upward) what is the: a) Time of flight?

b) The range of the cannon ball?

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.