A53 g ball is thrown from a window with an initial velocity of 8.0 m/s at an angle of 25 ° above the horizontal. using energy methods, determine (a) the kinetic energy of the ball at the top of its flight and (b) its speed when it is 3.2 m below the window. does the answer to (b) depend on either (c) the mass of the ball or (d) the initial angle?

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.