The kentucky derby, the first leg of horse racing’s triple crown, was won by a time of 122.2 s. if the race covers 2011.25 m, what was the average speed in a) m/s and b) in mi/h?
20 extra points!

Agroup of student volunteers participates in a study designed to assess several behavioral interventions for improving output in a repetitive task. prior to the beginning of the study, all volunteers unknowingly observed, and their output is measured. at the beginning of the study, prior to any intervention, the volunteers perform the same task under the observation of a study administrator, and their overall output increases. which of the following terms describes this phenomenon? a. simpson's paradox b. hawthorne effect are d. novelty effect d. pygmalion effect e. observer-expectancy effect