Chipping from the rough, a golfer sends the ball over 3.00m high tree that is 14.0 , away. the ball lands at the same level from which is was struck after traveling a horizontal distance of 17.8 m on the green of course. the ball leaves the club at 54 degrees above the horizontal and lands on the green 2.24 s later. a) what was the initial speed of the ball? b) How high was the ball when it passes directly over the tree?

Which of the following are considered noble gases? a. bromine b. neon c. argon d. chlorine

Two objects of different mass start from rest, are pulled by the same magnitude net force, and are moved through the same distance. the work done on object 1 is 900 j. after the force has pulled each object, object 1 moves twice as fast as object 2. how much work is done on object 2?

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.