Mesons n having kinetic energy 100 mev travel (on average) a distance of 11 m from the point where they are created to the point where they disintegrate. find a) the speed and, b) the proper lifetime of these mesons. the rest energy of the mesons is eo - = 139.6 mev. hint: 11 m is not the distance the mesons "see" ahead of them.

Which of the following statements is true about women and minorities in early psychology? a. in the early 20th century, numerous graduate schools recruited women and minorities to study psychology. b. opportunities in higher education were limited for women and minorities in the early 20th century due to discrimination. c. despite some obstacles, there were numerous employment opportunities for women and minorities. d. women and minorities were often selected to do academic research in an effort to make the field more diverse.

An inclined plane wrapped around a metal shaft is a a. lever b. screw c. pulley d. wedge

What will a positive and a negative charge do if they are separated from each other?