A projectile is shot from the edge of a cliff 120 m above ground level with an initial speed of 60 m/s at an angle of 30.0o with the horizontal, as shown below. (a) How long does it take for the projectile to hit the ground? (b) How far does the projectile land from the base of the cliff? (c) What are the horizontal and the vertical components of its velocity when it hits the ground? (d) What are the magnitude of the velocity, and the angle made by the velocity vector with the horizontal. (e) What’s the maximum height above the cliff reached by the projectile. (f) How long does it take for the projectile to reach the maximum height?

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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.

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