¿Cuánto tardará en frenar (V=0 m/s) frenar una pelota lanzada verticalmente hacia arriba si se arrojó con una velocidad de 50m/s?​

Many members of the civilized tribes farmed

For each of the following examples of data, determine which scale of measurement is used. a) the number of miles joggers run per week. b) the starting salaries of graduates of mba programs c) the months in which a firm's employees choose to take their vacations. d) the final letter grades received by students in a math course.

Humphreys collecting data for the tearoom trade study under the pretense that he was a lookout is an example of a violation of the principle of: a. justice.b. beneficence.c. respect for persons.