As shown in the figure below, a pig runs rightward 20 m to eat a juicy apple, walks leftward 5 m to eat a nut, and then another 25 m leftward for another nut. The total time was 300 s.
What is the pig's average velocity to reach the last nut?
m
S
What is the pig's average speed to reach the last nut?

Which notation is used to represent an alpha particle? a. b. c. d.

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.

The dot diagram represents the motion of the motorcycle as it moves from left to right