A ball attached to a string is whirled at a constant speed of 2. 0 meters per second in a horizontal circle of radius 0. 50 meter. What is the magnitude of the ball's centripetal acceleration?.

Which of the following is a presentation cue? a. crossing your arms b. mumbling c. repeating words d. whistling

What did pavlov initially notice about the animals in his original research after conditioning took place?

28. the new systematic nomenclature was so ( that many chemists preferred to ( the older trivial names that were at least shorter. at least, that is the ostensible reason. actually, tradition seems to carry more weight than ( with some scientists.