Carla ejerce una fuerza de módulo igual a 250 N sobre un refrigerador, logrando desplazarlo 12 m en una superficie horizontal. Si se desprecia el roce, ¿cuál es el trabajo
realizado por la fuerza, si esta fue ejercida en la misma dirección y sentido que el
movimiento del refrigerador?

A150 w lamp emits light of wavelength 590 nm uniformly in all directions. what is the photon flux (photons per unit area per unit time) on a small screen at a distance 2.3 m from the lamp? assume the photons are uniformly distributed over the surface of a sphere of radius 2.3 m.

Calculate the mass of an object that has a momentum of 100kg x m/sec and velocity of 4 m/sec

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.