Physics, 19.12.2019 19:31 chayiljacquet
Apulley with radius r and rotational inertia i is free to rotate on a horizontal fixed axis through its center. a string passes over the pulley. a block of mass m1 is attached to one end and a block of mass m2, is attached to the other. at one time the block with mass m1 is moving downward with speed v. if the string does not slip on the pulley, the magnitude of the total angular momentum, about the pulley center, of the blocks and pulley, considered as a system, is given by:
a. (m1 – m2)vr + iv/rb. (m1 + m2)vr + iv/rc. (m1 – m2)vr – iv/rd. (m1 + m2)vr – iv/re. none of the above
Answers: 1
Physics, 21.06.2019 23:30, jetblackcap
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.
Answers: 3
Physics, 22.06.2019 11:50, kelseybell2707
An electron is traveling with initial kinetic energy k in a uniform electric field. the electron comes to rest momentarily after traveling a distance d. (a) what is the magnitude of the electric field
Answers: 3
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