Vector C has a magnitude of 25.8 m and points in the −‑ direction. Vectors A and B both have positive ‑ components, and make angles of α=41.4° and β=29.2° with the positive and negative - axis, respectively. If the vector sum A+B+C=0 , what are the magnitudes of A and B?

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.

You throw a baseball directly upward at time =0 at an initial speed of 14.9 m/s. what is the maximum height the ball reaches above where it leaves your hand? ignore air resistance and take =9.80 m/s2.

According to the image below, which season is about to begin in the southern hemisphere? a. summer b. autumn c. winter d. spring