A29 kg box rests on the back of a truck. the coefficient of static friction between the box and the truck bed is 0.234. the acceleration of gravity is 9.81 m/s 2 . what maximum acceleration can the truck have before the box slides backward?

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.

This is the number of complete movements of a wave per second.

If a star is moving toward earth, it is