Aman stands on a flat surface and shoots an arrow vertically into the sky at avelocity of 60 meters per second. calculate the maximum height the arrow reached. what was the velocity of the car when it hit the ground?

What occurs during a combustion reaction

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.

Why is the energy that results from a roller coaster's position at the top of a hill referred to as potential energy?