A body of mass 15kg climbs up 10 steps each of height 0.2m in 20s calculate the power of the body​

Apsychologist has developed a series of personality inventories and wants to determine if they are valid. one of the scales measures perfectionism, so he asks a colleague for advice on how to establish the validity of this scale. the colleague tells him that if he were to find a sample of people with personality disorder, these people would obtain high scores on a scale that measures perfectionism.

But on an april morning in 1959, i heard a mother of four, having coffee with four other mothers in a suburban development fifteen miles from new york, say in a tone of quiet desperation, “the problem.” and the others knew, without words, that she was not talking about a problem with her husband, or her children, or her home. suddenly they realized they all shared the same problem, the problem that has no name. which best describes the connotation of the word “desperation”? negative, because the woman is feeling confused negative, because the woman is expressing hopelessness positive, because the woman is expressing herself positive, because the woman and the mothers are in agreement

Acriterion for waiving informed consent is that, when appropriate, subjects are provided additional pertinent information after the study. in which of the following studies would it not be appropriate to provide subjects with information about missing elements of consent: a study in which researchers told students that they would be given a quiz after reading some study materials when the researchers did not intend to use a quiz, but were attempting to focus subjects’ attention on the material.a study in which subjects were told that they performed in the third quartile on an anagram task when in reality students were randomly assigned scores that were not related to their actual performance.a study in which subjects were assigned to study activities based on an undesirable or unflattering physical characteristic as assessed by members of the research team.a study involving decision-making games in which subjects were led to believe that they were interacting with another student in another room, but were actually interacting with a computer programmed to provide consistent responses to all subjects.