Please help me I am confused explain step by step A baseball sits on a tee-ball stand. A child hits it with a bat moving east at 6.0 m/s and the ball flies off at 15 m/s. Determine the speed and direction of the bat immediately after impact. Tee-ball equipment is smaller than regular baseball equipment. The ball weighs 0.125 kg and the bat 0.500 kg. (+2.25 m/s)

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.